Comprehensive Overview of Copper Nuts and Copper Hex Nuts
We are one of the leading manufacturers and exporters of Copper Nuts and Copper Hex Nuts from India. We have been supplying precision copper fastener nuts, copper hexagonal nuts, copper square nuts, copper lock nuts, and copper specialized nuts to the world market for many decades. Our state-of-the-art manufacturing facility specializes in producing high-quality copper nuts using advanced hot forging technology, cold heading processes, precision CNC machining, thread rolling and tapping operations, and comprehensive surface treatment capabilities. With over three decades of global experience in copper fastener manufacturing, we serve diverse industries including electrical copper nuts for bus bar connections, marine copper nuts for boat building and hardware, automotive copper nuts for electrical systems, industrial copper nuts for machinery assembly, architectural copper nuts for building hardware, telecommunications copper nuts for tower installations, railway copper nuts for electrical connections, oil and gas copper nuts for equipment assembly, and specialized copper nuts for research and laboratory applications. Our expertise encompasses working with various copper grades including pure Copper C11000 nuts offering excellent electrical conductivity and corrosion resistance, Silicon Bronze C65500 nuts for marine applications, Brass nuts for decorative applications, Phosphor Bronze nuts for wear resistance, Aluminum Bronze nuts for high-strength requirements, and Beryllium Copper nuts for specialized high-strength applications. We manufacture copper nuts ranging from small M2 nuts for electronics to large M30 nuts for heavy industrial applications, all maintaining precise thread specifications, superior across-flats dimensions, excellent corrosion resistance, and reliable long-term performance.
Our advanced manufacturing capabilities in producing precision copper hex nuts extend across multiple manufacturing processes including hot forging for large diameter copper nuts with controlled grain structure and superior mechanical properties, cold heading machines for small to medium size nuts with excellent dimensional consistency and high-volume production capability, CNC machining for custom nut configurations and non-standard sizes, thread tapping using precision tapping machines for accurate internal thread generation, thread rolling for high-strength threads with work-hardened surfaces, hexagonal forming through forging or machining operations creating accurate across-flats dimensions, chamfering operations on both bearing surfaces facilitating bolt engagement, deburring removing sharp edges, and surface treatments including tin plating, nickel plating, or passivation for enhanced corrosion protection. Our engineering team possesses deep technical knowledge of copper material properties, fastener design standards, thread specifications per ISO and ANSI standards, torque requirements for proper installation, prevailing torque lock nut design, and application-specific loading conditions ensuring every copper nut meets or exceeds customer specifications and international fastener standards. Our quality management system complies with ISO 9001:2015 standards, fastener quality standards including ISO 898 for mechanical properties, DIN standards for dimensional specifications, ASTM copper material standards, automotive quality standards including IATF 16949, and customer-specific copper nut requirements. We maintain complete traceability of copper raw material certificates, detailed manufacturing process documentation, dimensional inspection records, thread verification reports using precision gauges, mechanical test results including proof load testing, and material test reports for every batch of copper nuts produced. Our customers across North America, European Union countries, United Kingdom, Australia, Middle East regions, and Southeast Asian markets trust our copper nut expertise for their critical fastening, electrical connection, and assembly applications.
Copper Nuts – Hexagonal and Specialized Fastener Nuts
Copper Nuts represent specialized threaded fastening components designed to mate with bolts, screws, or threaded rods providing secure mechanical connections while offering unique properties of copper including excellent electrical conductivity, superior thermal conductivity, corrosion resistance, non-magnetic properties, and spark-free characteristics. These copper nuts are manufactured in various configurations including hexagonal nuts with six-sided external profile enabling standard wrench or socket installation, square nuts with four-sided profile providing additional anti-rotation properties, round nuts with cylindrical exterior and internal threads used with specialized wrenches, flange nuts with integral washer surface distributing clamping load, lock nuts with prevailing torque features preventing loosening, coupling nuts with extended length connecting two threaded rods, cap nuts with closed dome top providing finished appearance and thread protection, wing nuts with extended wings enabling hand tightening without tools, and custom nuts designed for specific application requirements. Copper nuts find extensive applications in electrical industry including bus bar assembly nuts providing electrical continuity through fastener, electrical panel connections where copper conductivity is advantageous, transformer terminal connections, grounding system connections utilizing copper’s conductivity for low-resistance ground path, and cable termination hardware, marine applications including boat hardware nuts resistant to saltwater corrosion, marine electrical system connections, underwater equipment assembly, dock and pier hardware, and yacht rigging components utilizing Silicon Bronze or Aluminum Bronze nuts, automotive electrical systems including battery terminal nuts, alternator and starter mounting nuts, electrical distribution assembly, and automotive grounding connections, telecommunications equipment including tower mounting hardware, antenna connections, equipment rack assembly, grounding hardware nuts, and RF equipment assembly requiring non-magnetic fasteners, architectural applications including decorative copper hardware nuts, handrail assembly, copper roofing fasteners, cladding hardware, and restoration projects requiring period-appropriate copper fasteners, industrial machinery assembly including non-magnetic equipment requiring copper alloy nuts, chemical processing equipment where corrosion resistance is critical, pump and valve assembly, and specialized laboratory equipment, and railway electrical systems including contact strip mounting nuts, grounding connections, and electrical equipment assembly.
Our copper nut manufacturing services include engineering consultation for nut selection based on bolt size, load requirements, and application environment, material recommendation considering electrical conductivity, strength, corrosion resistance, and magnetic properties, custom nut design for non-standard thread specifications or unique geometries, prototype development with initial production and testing validation, high-volume production with consistent thread quality and dimensional accuracy across batches, various nut styles including hex nuts, square nuts, flange nuts, lock nuts, coupling nuts, cap nuts, and wing nuts, thread sizes from M2 to M30 metric and #2 to 1-1/4″ unified inch threads, thread specifications including coarse pitch, fine pitch, or extra-fine pitch, surface treatment options including tin plating for enhanced corrosion protection, nickel plating for wear resistance and aesthetic appearance, or bare copper finish, and complete documentation with material certificates, dimensional inspection reports, and thread verification records. We accommodate copper nut sizes ranging from M2 x 0.4mm pitch for miniature electronics applications to M30 x 3.5mm pitch for heavy industrial installations, across-flats dimensions from 4mm to 46mm conforming to ISO or DIN standards, nut heights from standard to heavy-duty extra-thick configurations, and special features including nylon insert lock nuts, all-metal lock nuts, prevailing torque specifications, and custom bore diameters. Material specifications conform to ASTM B124 for copper bars and rods, ASTM B187 for copper wire rod, ASTM B150 for aluminum bronze, ASTM B98 for silicon bronze, ASTM B103 for phosphor bronze, and corresponding international standards including EN designations for European copper grades, JIS specifications for Japanese copper standards, and IS standards for Indian copper materials. The lead time for copper nut production typically ranges from four to six weeks depending on nut size, thread specifications, quantity, style complexity, surface treatment requirements, and testing specifications.
Copper Hex Nuts – Standard and Heavy Duty Configurations
Copper Hex Nuts represent the most common configuration of copper nuts featuring hexagonal external profile with six flat sides providing wrench engagement surfaces, manufactured to international dimensional standards including ISO 4032 for metric hex nuts style 1, ISO 4033 for metric hex nuts style 2 with increased thickness, ISO 4034 for hex nuts with fine pitch threads, DIN 934 for metric hex nuts, ANSI B18.2.2 for American standard hex nuts, and custom specifications per customer requirements. Copper hex nuts provide advantages in applications requiring standard tooling accessibility with compatibility with common wrenches, sockets, and power tools, good torque transfer capability through hexagonal geometry, widespread availability in various sizes, ease of installation without specialized tools, and visual verification of tightness through wrench position. Common copper hex nut configurations include standard height hex nuts (style 1) with nut height approximately 0.8 times nominal diameter suitable for general applications, heavy hex nuts with increased thickness providing higher proof loads and greater thread engagement for heavy-duty applications, thin hex nuts (jam nuts) with reduced height approximately 0.5 times nominal diameter used for lock nut applications or space-restricted assemblies, slotted hex nuts with slots for cotter pin retention in critical applications requiring positive locking, castle nuts with notched top for cotter pin insertion in automotive and aerospace applications, and prevailing torque hex nuts with nylon insert or deformed threads creating resistance to loosening in vibration environments.
The manufacturing process for precision copper hex nuts begins with copper bar stock or wire selection in appropriate diameter to accommodate hex nut across-flats dimension and thread size, cutting billets to required length based on nut height specifications, hot forging operations using closed-die forging for large diameter nuts creating hexagonal profile with accurate across-flats dimensions and proper grain flow from bearing surface through body, cold heading for small to medium size nuts providing excellent surface finish and tight dimensional tolerances with high production rates, hexagon forming through progressive forging dies or machining operations ensuring accurate across-flats dimensions typically within ±0.2mm tolerance, drilling or punching center hole creating bore diameter slightly larger than thread minor diameter, thread tapping using precision tapping equipment with guided taps creating accurate internal threads conforming to 6H tolerance class or as specified, chamfering both bearing surfaces facilitating bolt engagement and preventing edge damage during installation, deburring operations removing burrs from threads and chamfered edges, surface finishing through tumbling, polishing, or cleaning, tin plating, nickel plating, or other surface treatment if specified providing corrosion protection and aesthetic appearance, quality inspection including across-flats measurement, nut height verification, thread inspection using go-no-go thread gauges, and proof load testing on representative samples, and packaging with protective measures preventing damage and oxidation during storage and shipping. Our copper hex nut capabilities include thread sizes M2 to M30 metric with standard pitches (M2 x 0.4, M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1.0, M8 x 1.25, M10 x 1.5, M12 x 1.75, M16 x 2.0, M20 x 2.5, M24 x 3.0, M30 x 3.5), fine pitch threads for applications requiring increased thread engagement, unified inch threads #2-56 to 1-1/4″-7, across-flats dimensions conforming to ISO 272 or ANSI B18.2.2 standards, nut heights from jam nut 0.5D to heavy hex nut 1.0D or greater, thread tolerances maintaining 6H class or better ensuring proper fit with mating bolts, and mechanical properties including proof load capacity and hardness specifications.
Copper Material Grades and Fastener Specifications
Copper Material Specifications and Standards for Nuts
| Copper Grade | International Designation | Key Properties | Typical Nut Applications | Standards |
|---|---|---|---|---|
| Copper C11000 | CW004A (EN), C1100 (JIS), T2 (GB) | 99.9% pure copper, 100% IACS conductivity, good formability | Electrical bus bar nuts, grounding nuts, terminal connections | ASTM B124, BS EN 1652, DIN EN 13601, JIS H3250, IS 191 |
| Copper C10200 | CW008A (EN), C1020 (JIS), TU2 (GB) | Oxygen-free copper, 101% IACS conductivity, premium electrical | High-performance electrical connections, critical applications | ASTM B170, BS EN 1652, DIN EN 13599, JIS H3250 |
| Silicon Bronze C65500 | CW115C (EN), CAC406 (JIS) | High strength 380-520 MPa, excellent marine corrosion resistance | Marine hardware nuts, boat building, saltwater applications | ASTM B98, BS EN 12163, JIS H3250 |
| Aluminum Bronze C95400 | CW307G (EN), CAC703 (JIS) | Very high strength 620-750 MPa, wear resistant | Heavy-duty marine, high-load applications, valve assembly | ASTM B150, BS EN 1982, JIS H5120 |
| Phosphor Bronze C51000 | CW450K (EN), C5191 (JIS) | Wear resistant, spring properties, corrosion resistant | Lock nuts, specialized fasteners, electrical contacts | ASTM B103, BS EN 12166, JIS H3110 |
| Brass C36000 | CW614N (EN), C3604 (JIS) | Free-machining brass, decorative, good strength | Decorative hardware nuts, furniture, architectural applications | ASTM B16, BS EN 12164, JIS H3250 |
| Beryllium Copper C17200 | CW101C (EN), C1720 (JIS) | Highest strength 1170-1310 MPa heat treated, non-magnetic | Aerospace, high-strength specialized, non-magnetic applications | ASTM B194, BS EN 12166, JIS H3270 |
Copper Hex Nut Dimensional Standards
| Thread Size | Across Flats (mm) | Nut Height Standard (mm) | Nut Height Heavy (mm) | Thread Pitch (mm) | Standards |
|---|---|---|---|---|---|
| M2 | 4.0 | 1.6 | 2.0 | 0.4 | ISO 4032, DIN 934 |
| M3 | 5.5 | 2.4 | 3.0 | 0.5 | ISO 4032, DIN 934 |
| M4 | 7.0 | 3.2 | 4.0 | 0.7 | ISO 4032, DIN 934 |
| M5 | 8.0 | 4.0 | 5.0 | 0.8 | ISO 4032, DIN 934 |
| M6 | 10.0 | 5.0 | 6.0 | 1.0 | ISO 4032, DIN 934 |
| M8 | 13.0 | 6.5 | 8.0 | 1.25 | ISO 4032, DIN 934 |
| M10 | 17.0 | 8.0 | 10.0 | 1.5 | ISO 4032, DIN 934 |
| M12 | 19.0 | 10.0 | 12.0 | 1.75 | ISO 4032, DIN 934 |
| M16 | 24.0 | 13.0 | 16.0 | 2.0 | ISO 4032, DIN 934 |
| M20 | 30.0 | 16.0 | 20.0 | 2.5 | ISO 4032, DIN 934 |
| M24 | 36.0 | 19.0 | 24.0 | 3.0 | ISO 4032, DIN 934 |
| M30 | 46.0 | 24.0 | 30.0 | 3.5 | ISO 4032, DIN 934 |
Manufacturing Processes and Technology
Our precision copper nut manufacturing facility employs multiple manufacturing processes including hot forging using hydraulic presses up to 300 tons capacity for large diameter copper nuts with controlled grain flow and superior mechanical properties, cold heading machines with progressive dies for small to medium nuts providing excellent surface finish and high-volume production rates up to 200 pieces per minute, CNC machining including turning and milling for custom nut configurations and prototype quantities, precision thread tapping machines with floating holders ensuring accurate thread alignment and perpendicularity to bearing surfaces, thread rolling equipment for specialized applications requiring high-strength work-hardened threads, hexagonal forming through multi-stage forging or machining operations, chamfering machines creating proper lead-in angles on bearing surfaces, vibratory finishing equipment for deburring and surface improvement, and surface treatment facilities including electroplating for tin or nickel coating.
Manufacturing Process Flow: Copper raw material procurement with certified test reports → Material inspection and verification → Cutting billets to length → Hot forging or cold heading hexagonal form → Center hole drilling or punching → Thread tapping or rolling → Chamfering both bearing surfaces → Deburring operations → Surface treatment if specified → Quality inspection including thread verification → Proof load testing on samples → Packaging and labeling → Final shipment.
Quality Control and Testing
Dimensional Inspection: Every batch of copper nuts undergoes comprehensive dimensional inspection including across-flats measurement using precision calipers or go-no-go gauges verifying dimensions within ±0.2mm tolerance per ISO specifications, nut height measurement confirming conformance to standard or heavy configurations, thread inspection using precision thread ring gauges verifying 6H tolerance class with go and no-go gauges ensuring proper fit with mating bolts, thread pitch verification, bearing surface perpendicularity measurement ensuring squareness within 2 degrees, and chamfer angle verification.
Thread Quality Testing: Internal thread quality validated through functional testing threading sample bolts of proper thread class verifying smooth engagement without binding or excessive clearance, thread profile verification using optical comparators or thread micrometers, thread depth measurement ensuring adequate thread engagement, and thread straightness assessment preventing cross-threading during installation.
Mechanical Testing: Proof load testing on representative samples applies specified proof load per ISO 898 or ASTM specifications verifying nuts withstand proof load without thread stripping or permanent deformation, hardness testing confirms material hardness falls within acceptable range for copper grade, and torque testing evaluates installation torque requirements and prevailing torque for lock nuts.
Material Verification: Chemical composition analysis using optical emission spectroscopy confirms copper grade matches material certification, electrical conductivity testing verifies conductivity values for electrical applications, and material certificates from copper supplier document chemical analysis and mechanical properties of source material.
Documentation: Complete documentation package includes material certificates from copper supplier with chemical analysis, dimensional inspection reports with actual measurements, thread verification records using go-no-go gauges, mechanical test results including proof load data for representative samples, certificate of conformance stating compliance with purchase order specifications, and traceability documentation linking production batches to material heat numbers.
Industries and Applications
Electrical Industry: Copper hex nuts for bus bar connections providing electrical continuity through fastener, electrical panel terminal mounting, transformer connection hardware, switchgear assembly, grounding system connections utilizing copper conductivity, and cable termination hardware.
Marine Industry: Silicon Bronze or Aluminum Bronze hex nuts for boat hardware resistant to saltwater corrosion, marine electrical system connections, underwater equipment assembly, dock and pier hardware, yacht rigging components, and marine pump assembly.
Automotive Industry: Copper nuts for battery terminal connections, alternator and starter mounting hardware, electrical distribution assembly nuts, automotive grounding connections, sensor mounting hardware, and electrical component assembly.
Telecommunications: Tower mounting hardware nuts, antenna connection hardware, equipment rack assembly, grounding hardware utilizing copper conductivity, telecommunications shelter equipment, and RF equipment assembly requiring non-magnetic fasteners.
Architectural Applications: Decorative copper hex nuts for architectural hardware, handrail assembly nuts, copper roofing fasteners, cladding mounting hardware, restoration projects requiring period-appropriate fasteners, and ornamental copper installations.
Industrial Machinery: Non-magnetic equipment assembly requiring copper alloy nuts, chemical processing equipment where corrosion resistance is critical, pump and valve assembly hardware, process equipment mounting, and specialized laboratory equipment assembly.
Railway Systems: Contact strip mounting nuts for electrical current collection, grounding connection hardware, electrical equipment assembly nuts, and railway infrastructure hardware.
Oil and Gas Industry: Copper alloy nuts for wellhead equipment resistant to corrosion, valve assembly hardware, offshore platform equipment, drilling equipment fasteners, and process equipment mounting.
Performance Specifications
Copper Nut Performance Parameters
| Parameter | Pure Copper | Silicon Bronze | Aluminum Bronze | Beryllium Copper |
|---|---|---|---|---|
| Tensile Strength | 220-260 MPa | 380-520 MPa | 620-750 MPa | 1170-1310 MPa |
| Proof Load | Per ISO 898 | Per ISO 898 | Per ISO 898 | Per ISO 898 |
| Hardness (HB) | 45-65 | 70-90 | 150-180 | 320-380 (HT) |
| Electrical Conductivity | 100% IACS | 7% IACS | 12% IACS | 22% IACS |
| Corrosion Resistance | Excellent | Excellent | Excellent | Good |
| Thread Class | 6H typical | 6H typical | 6H typical | 6H typical |
| Temperature Rating | -200°C to +250°C | -200°C to +400°C | -200°C to +400°C | -200°C to +300°C |
| Non-Magnetic | Yes | Yes | Yes | Yes |
Frequently Asked Questions
Q1: What are the advantages of copper nuts over steel nuts?
Copper nuts provide superior corrosion resistance especially in marine and outdoor environments, excellent electrical conductivity enabling current flow through fastener for electrical connections, superior thermal conductivity for heat dissipation applications, non-magnetic properties essential for electronic equipment and instrumentation, spark-free characteristics for hazardous environments, aesthetic copper appearance for architectural applications, and resistance to galvanic corrosion when fastening copper components.
Q2: Can copper hex nuts be used with steel bolts?
Yes, copper hex nuts can be used with steel bolts, however consider potential galvanic corrosion in wet or marine environments where dissimilar metals are in contact. Use appropriate measures including isolating washers, corrosion-resistant coatings, or selecting compatible alloys. Silicon Bronze or Aluminum Bronze nuts work well with stainless steel bolts in marine applications. For electrical applications, ensure bolt material doesn’t compromise conductivity requirements.
Q3: What is the typical lead time for copper nut orders?
Standard lead time is four to six weeks from purchase order confirmation to shipment, accounting for copper material procurement with certified test reports, forging or heading operations, thread tapping, surface treatment if specified, quality inspection including thread verification and proof load testing, and packaging. For standard metric or inch sizes with materials in stock, expedited delivery within 2-3 weeks may be possible depending on order quantity.
Q4: What installation torque should be used for copper nuts?
Installation torque for copper nuts typically 30-50% lower than equivalent steel fasteners due to copper’s lower yield strength. Specific torque values depend on thread size, copper grade, and application requirements. General guidelines: M6 copper nut 4-6 Nm, M8 nut 8-12 Nm, M10 nut 15-20 Nm, M12 nut 25-35 Nm. Consult engineering specifications for critical applications. Use calibrated torque wrenches and avoid overtightening causing thread stripping.
Q5: What documentation is provided with copper nut shipments?
We provide comprehensive documentation including material certificates from copper supplier with chemical analysis and mechanical properties, dimensional inspection reports verifying across-flats dimensions and nut height, thread verification records using go-no-go thread ring gauges, mechanical test results including proof load testing on representative samples, certificate of conformance stating compliance with purchase order specifications and applicable standards, and traceability documentation linking production batches to material heat numbers and inspection records.
Why Choose Our Copper Nut Services
Three Decades of Fastener Manufacturing Excellence: With over 30 years of copper nut manufacturing experience serving electrical, marine, automotive, telecommunications, and industrial industries across global markets, we have developed deep expertise in copper fastener design, forging and heading processes, thread manufacturing, and quality assurance.
Comprehensive Product Range: We manufacture complete range of copper nuts including hex nuts in standard and heavy configurations, square nuts, flange nuts, lock nuts with nylon insert or all-metal design, coupling nuts, cap nuts, wing nuts, and custom configurations, accommodating thread sizes M2 to M30 metric and #2 to 1-1/4″ unified.
Wide Range of Copper Grades: We manufacture copper nuts from pure copper C11000 for electrical applications requiring maximum conductivity, Silicon Bronze for marine environments and excellent corrosion resistance, Aluminum Bronze for high-strength heavy-duty applications, Phosphor Bronze for wear resistance and lock nut applications, Brass for decorative and general purpose applications, and Beryllium Copper for specialized high-strength requirements.
Quality Assurance and Testing: Every batch undergoes dimensional inspection verifying across-flats dimensions and nut height, thread verification using precision go-no-go thread ring gauges, proof load testing on representative samples validating mechanical strength, material verification through chemical analysis, and complete documentation providing conformance certification and traceability.
Engineering Support Services: Our experienced engineering team provides nut selection guidance based on bolt size and application requirements, material recommendation considering electrical conductivity, strength, and corrosion resistance, torque specifications for proper installation, lock nut selection for vibration-resistant applications, custom nut design for unique requirements, and technical consultation for assembly process optimization.
Competitive Manufacturing Advantage: Manufacturing in India provides significant cost advantages allowing us to offer copper nut products typically 30-40% lower cost than North American or European manufacturers without compromising quality standards, dimensional accuracy, thread quality, material specifications, or mechanical properties.
International Standards Compliance: Our copper nuts conform to international standards including ISO 4032, ISO 4033, ISO 4034 for metric nuts, DIN 934 specifications, ANSI B18.2.2 for American standard hex nuts, ASTM copper material specifications, and customer-specific fastener requirements ensuring compatibility with standard bolts and meeting global fastener standards.
Flexibility in Order Quantities: We accommodate both small orders for specialized projects and high-volume production runs for established applications, offering flexible minimum order quantities, scalable production capacity across multiple manufacturing processes, and consistent quality from small batches through high-volume production.
Glossary of Technical Terms
Hex Nut: Threaded fastener with hexagonal external profile providing six wrench engagement surfaces.
Across Flats: Distance measured across opposite flat surfaces of hexagonal nut.
Thread Class: Designation indicating thread tolerance fit, with 6H common for copper nuts indicating medium internal thread fit.
Proof Load: Maximum load nut must withstand without permanent deformation or thread stripping.
Cold Heading: Manufacturing process forming nut from wire or bar stock using progressive dies at room temperature.
Hot Forging: Manufacturing process shaping nut by heating copper above recrystallization temperature and forging.
Lock Nut: Nut designed with prevailing torque feature preventing loosening from vibration.
Jam Nut: Thin hex nut approximately half standard height used as lock nut or in space-restricted applications.
Flange Nut: Nut with integral washer flange distributing clamping load over larger area.
Castle Nut: Hex nut with notched or slotted top for cotter pin insertion providing positive locking.
6H Thread Class: Internal thread tolerance class per ISO standards indicating medium fit.
IACS: International Annealed Copper Standard reference for electrical conductivity where pure copper equals 100%.
Call to Action – Contact Us Today
Ready to discuss your copper nut requirements? Our experienced team is here to help you with precision copper hex nuts and specialized nuts for your electrical, marine, industrial, and architectural applications.
Request a Quote: Send us your technical specifications, thread sizes, and quantity requirements to sales@jambrass.com for a detailed quotation within 24 hours.
Call Us Directly: Speak with our technical sales team at +91-22-43449300 / +91-22-43449323 during business hours (Monday-Saturday, 9:00 AM – 6:00 PM IST) to discuss your copper nut requirements.
Visit Our Offices:
Office Address: 1406, 14th Floor, Dalamal Tower, Nariman Point, Mumbai – 400021, Maharashtra, India
Factory Address: Plot 10B, GIDC Industrial Estate, Shanker Tekari, Udyognagar, Jamnagar, Gujarat, India – 361004
Contact Person: Mr. Mehul Vora
Quality Documentation: Request sample certificates of conformance, material test reports, dimensional inspection records, and thread verification reports by contacting sales@jambrass.com
