Comprehensive Overview of Copper Pan Head Screws
We are one of the leading manufacturers and exporters of Copper Pan Head Screws from India. We have been supplying precision copper pan head fasteners, copper machine screws, copper self-tapping screws, and copper hardware to the world market for many decades. Our state-of-the-art manufacturing facility specializes in producing high-quality copper pan head screws using advanced cold heading technology, precision CNC machining, thread rolling processes, pan head forming operations, and comprehensive surface treatment capabilities. With over three decades of global experience in copper fastener manufacturing, we serve diverse industries including electrical copper terminal screws, marine copper hardware for boat building, electronic copper mounting screws, furniture copper assembly screws, decorative copper fasteners for architectural applications, telecommunications copper equipment screws, musical instrument copper hardware, industrial copper panel screws, and automotive copper electrical connections. Our expertise encompasses working with various copper grades including pure Copper C11000 pan head screws offering excellent electrical conductivity and corrosion resistance, Silicon Bronze pan head screws for marine applications, Brass pan head screws for decorative applications, Phosphor Bronze screws for electrical contacts, and Beryllium Copper screws for high-strength requirements. We manufacture copper pan head screws ranging from small M2 screws for electronics to M10 screws for industrial applications, all maintaining low-profile rounded head design, superior corrosion resistance, non-magnetic properties, and excellent electrical conductivity for reliable long-term performance.
Our advanced manufacturing capabilities in producing precision copper pan head screws extend across multiple manufacturing processes including cold heading for forming rounded pan head profiles with consistent dimensions, CNC machining for custom screw configurations and non-standard head geometries, thread rolling for creating strong accurate threads with work-hardened surface, thread cutting for specialty threads including self-tapping threads, pan head forming through progressive dies ensuring uniform head height and diameter, slotted drive machining, Phillips drive forming, Pozidriv cross-recess manufacturing, Torx drive machining, hex socket drive operations, and combination drive configurations. Our engineering team possesses deep technical knowledge of copper material properties, fastener design standards, drive recess specifications, pan head geometry requirements, and application-specific installation considerations ensuring every copper pan head screw meets or exceeds customer specifications and international fastener standards. Our quality management system complies with ISO 9001:2015 standards, fastener quality standards including DIN specifications for pan head screws, ISO standards for machine screws, ANSI standards for American fasteners, and customer-specific copper screw requirements. We maintain complete traceability of copper raw material certificates, detailed manufacturing process documentation, dimensional inspection records, and material test reports for every batch of copper pan head screws produced. Our customers across North America, European Union countries, United Kingdom, Australia, Middle East regions, and Southeast Asian markets trust our copper screw expertise for their electrical, marine, electronic, and industrial fastening applications.
Copper Pan Head Screws – Low Profile Rounded Head Fasteners
Copper Pan Head Screws represent specialized threaded fasteners featuring rounded dome-shaped head with flat bearing surface providing low-profile appearance, large bearing area distributing clamping load, and clearance for drive tool access above fastened surface. These copper pan head screws are manufactured with head geometries conforming to international standards including DIN 7985 for Phillips pan head screws, DIN 84 for slotted pan head screws, ISO 7045 for cross recessed pan head screws, ISO 1580 for slotted pan head screws, and ANSI B18.6.3 for American standard pan head machine screws. Copper pan head screws find extensive applications in electrical panel assembly and bus bar connections where electrical conductivity through fastener is desired, electronic equipment assembly requiring non-magnetic low-profile fasteners, marine hardware installations where corrosion resistance and rounded head design prevent snagging, control panel construction with copper pan head screws visible from exterior, decorative copper installations where rounded head provides aesthetic appeal, telecommunications equipment mounting requiring non-magnetic properties, grounding and earthing connections in electrical systems, furniture assembly using visible copper screws as decorative elements, musical instrument construction including guitar pickguards and hardware, and industrial equipment assembly requiring corrosion-resistant non-magnetic fasteners with good bearing surface area.
Our copper pan head screw manufacturing services include engineering consultation for screw selection based on load requirements and material thickness, material recommendation considering electrical conductivity, strength, and corrosion resistance needs, custom screw design including non-standard lengths, diameters, or thread specifications, prototype development for fit and function validation, high-volume production with consistent head geometry and thread quality, various drive configurations including slotted, Phillips, Pozidriv, Torx, hex socket, and combination drives, threading options including machine screw threads, self-tapping threads, or thread-forming profiles, surface finishing including polishing, brushing, or patina treatments, and complete documentation with material certificates and dimensional reports. We accommodate copper pan head screw sizes ranging from M2 x 6mm for small electronics applications to M10 x 80mm for industrial installations, with pan head diameters typically 1.8 to 2.2 times nominal screw diameter providing adequate bearing surface, head heights proportional to diameter maintaining low-profile appearance, and drive recess depths ensuring adequate tool engagement. Material specifications conform to ASTM B124 for copper bars rods and shapes, ASTM B187 for copper wire and rod, and corresponding international standards including EN designations for European copper grades, JIS H3250 for Japanese copper specifications, and IS 191 for Indian copper standards. The lead time for copper pan head screw production typically ranges from four to six weeks depending on screw size, drive configuration, quantity, thread specifications, and surface treatment requirements.
Copper Material Grades and Specifications
Copper Material Specifications and Standards for Pan Head Screws
| Copper Grade | International Designation | Key Properties | Typical Applications | Standards |
|---|---|---|---|---|
| Copper C11000 | CW004A (EN), C1100 (JIS), T2 (GB) | 99.9% pure copper, excellent conductivity, good corrosion resistance | Electrical terminals, grounding screws, bus bar connections | ASTM B124, BS EN 1652, DIN EN 13601, JIS H3250, IS 191 |
| Copper C10200 | CW008A (EN), C1020 (JIS), TU2 (GB) | Oxygen-free copper, highest 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, excellent marine corrosion resistance | Marine hardware, boat building, saltwater applications | ASTM B98, BS EN 12163, JIS H3250 |
| Brass C36000 | CW614N (EN), C3604 (JIS) | Free-machining, decorative, good corrosion resistance | Decorative screws, furniture, architectural hardware | ASTM B16, BS EN 12164, JIS H3250 |
| Phosphor Bronze C51000 | CW450K (EN), C5191 (JIS) | Spring properties, electrical contact, corrosion resistant | Electrical terminals, connectors, spring applications | ASTM B103, BS EN 12166, JIS H3110 |
Copper Pan Head Screw Material Properties
| Property | C11000 Copper | Silicon Bronze | Brass C36000 | Phosphor Bronze |
|---|---|---|---|---|
| Tensile Strength (MPa) | 220-260 | 380-520 | 340-470 | 410-620 |
| Yield Strength (MPa) | 70-195 | 145-415 | 125-365 | 160-505 |
| Elongation (%) | 45-55 | 20-40 | 18-53 | 10-45 |
| Hardness (HB) | 45-65 | 70-90 | 60-100 | 80-150 |
| Electrical Conductivity (% IACS) | 100% | 7% | 28% | 15% |
| Corrosion Resistance | Excellent | Excellent | Good | Excellent |
| Cost Factor | Standard | Medium | Low | Medium |
Manufacturing Processes and Technology
Our precision copper pan head screw manufacturing facility employs multiple manufacturing processes including cold heading machines with progressive dies forming rounded pan head profiles with consistent diameter and height, CNC automatic screw machines for custom screw configurations and small batch production, thread rolling equipment creating precise metric and inch threads with work-hardened surface improving strength and fatigue resistance, thread cutting capabilities for self-tapping threads and specialty thread forms, drive recess forming equipment including slotting punches, Phillips cross-recess punches, Pozidriv forming tools, Torx broaching equipment, and hex socket forming dies, pointing machines creating various screw point geometries for self-tapping applications, tumbling equipment for deburring and surface finishing, polishing systems for bright copper finish, and quality testing equipment including optical comparators, thread gauges, and drive recess depth gauges.
Manufacturing Process Flow: Copper wire or rod procurement and inspection → Cutting blanks to length → Cold heading forming pan head profile → Shank forming to diameter → Thread rolling or cutting → Drive recess forming → Pointing operations if required → Deburring operations → Surface finishing and polishing → Quality inspection and testing → Packaging and labeling → Final shipment.
Copper Pan Head Screw Dimensions and Specifications
Standard Copper Pan Head Screw Dimensions
| Screw Size | Thread Pitch (mm) | Head Diameter (mm) | Head Height (mm) | Drive Options | Standard Lengths Available |
|---|---|---|---|---|---|
| M2 | 0.4 | 4.0 | 1.5 | Slotted, Phillips | 6-20mm |
| M2.5 | 0.45 | 5.0 | 1.8 | Slotted, Phillips, Torx | 8-25mm |
| M3 | 0.5 | 6.0 | 2.1 | Slotted, Phillips, Pozidriv, Torx | 8-40mm |
| M4 | 0.7 | 8.0 | 2.8 | Slotted, Phillips, Pozidriv, Torx | 10-50mm |
| M5 | 0.8 | 10.0 | 3.5 | Slotted, Phillips, Pozidriv, Torx, Hex | 12-60mm |
| M6 | 1.0 | 12.0 | 4.2 | Slotted, Phillips, Pozidriv, Torx, Hex | 16-80mm |
| M8 | 1.25 | 16.0 | 5.6 | Slotted, Phillips, Torx, Hex | 20-100mm |
| M10 | 1.5 | 20.0 | 7.0 | Slotted, Torx, Hex | 25-100mm |
Copper Pan Head Screw Thread Types
| Thread Type | Description | Typical Applications | Advantages |
|---|---|---|---|
| Machine Screw Thread | Uniform diameter, fine or coarse pitch | Tapped holes, nut assemblies, metal to metal | Standard tooling, reversible |
| Self-Tapping Thread | Hardened, thread-forming profile | Sheet metal, plastics, soft materials | Creates own threads |
| Thread-Forming | Rounded thread profile | Plastic assemblies, soft metals | Forms threads without cutting |
Quality Control and Testing
Dimensional Inspection: Every batch of copper pan head screws undergoes comprehensive dimensional inspection including pan head diameter measurement ensuring conformance to DIN or ISO specifications typically within ±0.2mm tolerance, head height verification confirming uniform dome profile, overall length measurement with precision calipers, thread gauges validating thread pitch diameter and thread form conforming to 6g tolerance class or as specified, drive recess depth measurement ensuring adequate tool engagement typically 40-60% of head height, and shank diameter verification using precision micrometers. Thread quality validated using go-no-go thread gauges confirming proper thread form and pitch accuracy.
Drive Recess Testing: Drive recess dimensions verified using specialized gauges for slotted width and depth, Phillips recess depth and form conforming to ISO 4757 specifications, Pozidriv recess geometry, Torx recess size and depth per ISO 10664 standards, and hex socket dimensions. Recess quality affects installation torque capability and tool engagement preventing cam-out or strip-out during tightening operations.
Material Verification: Chemical composition analysis using optical emission spectroscopy confirms copper grade matches material certification. Material certificates from copper supplier document chemical analysis and mechanical properties of source material. Complete traceability maintained from copper raw material through finished screw production linking heat numbers to production batches.
Electrical Testing: For copper pan head screws intended for electrical applications, contact resistance testing measures electrical resistance through screw from head bearing surface to thread ensuring values below specified limits typically under 1 milliohm for reliable electrical performance.
Documentation: Complete documentation package includes material certificates from copper supplier with chemical analysis, dimensional inspection reports, drive recess verification records, electrical test results if applicable, and certificate of conformance stating compliance with purchase order specifications.
Industries and Applications
Electrical Industry: Copper pan head screws for electrical panel bus bar connections, terminal block mounting, switchgear assembly, transformer terminal connections, circuit breaker panel assembly, electrical enclosure construction, grounding and earthing terminal connections, and power distribution equipment. High electrical conductivity of copper enables current flow through fastener while providing mechanical connection.
Electronics Industry: Non-magnetic copper pan head screws for electronic device assembly, computer hardware mounting, circuit board assembly, instrumentation equipment, control panel construction, telecommunications equipment, radio frequency shielding enclosures, and sensitive electronic applications where magnetic interference must be avoided.
Marine Industry: Silicon Bronze pan head screws for boat hardware installations, marine electrical systems, yacht interior fittings, deck hardware mounting, marine electronics installation, saltwater-resistant applications, and boat building where corrosion resistance and rounded head design prevent snagging or injury.
Telecommunications: Copper pan head screws for telecommunications equipment mounting, antenna installations, tower hardware, RF equipment assembly, grounding connections, cable management hardware, and equipment racks requiring non-magnetic corrosion-resistant fasteners.
Furniture Manufacturing: Decorative copper pan head screws for visible furniture assembly, custom furniture fabrication, cabinet hardware, drawer construction, decorative copper accents, and furniture applications where rounded copper head provides aesthetic appeal.
Musical Instruments: Copper pan head screws for guitar pickguard mounting, amplifier chassis assembly, electronic component mounting in instruments, drum hardware, piano component assembly, and musical instrument construction where copper provides aesthetic appeal and non-magnetic properties.
Automotive Electrical: Copper pan head screws for automotive electrical connections, battery terminal mounting, alternator connections, starter motor assembly, electrical distribution panels, and automotive electrical systems requiring high conductivity fasteners.
Industrial Equipment: Copper pan head screws for control panel assembly, electrical enclosure construction, instrumentation mounting, chemical processing equipment, industrial machinery assembly, and specialized equipment requiring corrosion-resistant non-magnetic fasteners.
Performance Specifications
Copper Pan Head Screw Performance Parameters
| Parameter | Pure Copper | Silicon Bronze | Brass | Phosphor Bronze |
|---|---|---|---|---|
| Tensile Strength | 220-260 MPa | 380-520 MPa | 340-470 MPa | 410-620 MPa |
| Head Style | Low-profile rounded dome | Low-profile rounded dome | Low-profile rounded dome | Low-profile rounded dome |
| Electrical Conductivity | 100% IACS | 7% IACS | 28% IACS | 15% IACS |
| Corrosion Resistance | Excellent | Excellent | Good | Excellent |
| Temperature Range | -200°C to +250°C | -200°C to +400°C | -100°C to +200°C | -200°C to +300°C |
| Non-Magnetic | Yes | Yes | Yes | Yes |
| Thread Class | 4h6h to 6h | 4h6h to 6h | 4h6h to 6h | 4h6h to 6h |
Frequently Asked Questions
Q1: What are the advantages of copper pan head screws over other head styles?
Copper pan head screws provide low-profile rounded head design with smaller height than hex head screws enabling use in confined spaces, large bearing surface area distributing clamping load over wider area reducing surface damage, rounded dome appearance providing aesthetic appeal for visible installations, clearance for drive tool access above fastened surface, and smooth rounded profile without sharp edges reducing snagging hazards in marine and safety-critical applications.
Q2: Can copper pan head screws be used for electrical grounding connections?
Yes, pure copper C11000 pan head screws are excellent for electrical grounding connections providing 100% IACS electrical conductivity enabling current flow through fastener, large bearing surface area ensuring good electrical contact, corrosion resistance maintaining low contact resistance over time, and secure mechanical connection. Proper installation torque and clean contact surfaces ensure reliable electrical performance.
Q3: What is the typical lead time for copper pan head screw orders?
Standard lead time is four to six weeks from purchase order confirmation to shipment, accounting for copper material procurement, cold heading or machining operations, thread rolling or cutting, drive recess forming, surface finishing, quality inspection, and packaging. For standard sizes with materials in stock, expedited delivery within 2-3 weeks may be possible depending on order quantity and drive configuration.
Q4: What drive configurations are available for copper pan head screws?
We manufacture copper pan head screws with various drive options including slotted drive for traditional manual installation, Phillips cross-recess drive most common in North America, Pozidriv cross-recess drive offering improved torque capacity, Torx star drive providing excellent torque transfer and reduced cam-out, hex socket drive enabling high torque application, and combination drives featuring Phillips and slotted combination for versatile installation.
Q5: What documentation is provided with copper pan head screw shipments?
We provide comprehensive documentation including material certificates from copper supplier with chemical analysis, dimensional inspection reports verifying head diameter, height, and thread specifications, drive recess verification records, electrical test results for conductivity and contact resistance if applicable, certificate of conformance stating compliance with specifications, and traceability documentation linking production batches to material heat numbers.
Why Choose Our Copper Pan Head Screw Services
Three Decades of Fastener Manufacturing Excellence: With over 30 years of copper screw manufacturing experience serving electrical, marine, electronics, telecommunications, and industrial industries across global markets, we have developed deep expertise in pan head screw design, cold heading processes, thread manufacturing, and drive recess forming.
Comprehensive Manufacturing Capabilities: Our integrated manufacturing facility houses cold heading equipment, thread rolling machines, CNC screw machines, drive recess forming equipment, and complete surface finishing systems enabling vertical integration from copper raw material to finished screws with consistent quality and competitive pricing.
Wide Range of Copper Grades: We manufacture copper pan head screws from pure copper C11000 for electrical applications requiring maximum conductivity, Silicon Bronze for marine environments, Brass for decorative applications, and Phosphor Bronze for electrical contacts and spring applications.
Multiple Drive Configurations: We offer various drive options including slotted, Phillips, Pozidriv, Torx, hex socket, and combination drives providing customers flexibility in drive selection optimized for installation requirements, torque demands, and aesthetic preferences.
Quality Assurance and Testing: Every batch undergoes dimensional inspection verifying pan head geometry and thread quality, drive recess quality assessment, material verification through chemical analysis, electrical testing for conductivity applications, and complete documentation providing traceability and conformance certification.
Engineering Support Services: Our experienced engineering team provides screw selection guidance based on application requirements including load analysis and material compatibility, material recommendation considering electrical conductivity, strength, and corrosion resistance, custom screw design including non-standard dimensions or drive configurations, and technical consultation for installation procedures and torque specifications.
Competitive Manufacturing Advantage: Manufacturing in India provides significant cost advantages allowing us to offer copper pan head screw products typically 30-40% lower cost than North American or European manufacturers without compromising quality standards, material specifications, or dimensional accuracy.
International Standards Compliance: Our copper pan head screws conform to international standards including DIN, ISO, and ANSI specifications for dimensions, head geometry, and thread specifications, ensuring compatibility with standard installation tools and meeting global fastener requirements.
Glossary of Technical Terms
Pan Head Screw: Threaded fastener with low-profile rounded dome-shaped head and flat bearing surface.
Cold Heading: Manufacturing process forming screw head by displacing material using progressive dies at room temperature.
Thread Rolling: Process creating threads by displacing material using cylindrical or flat dies, producing stronger threads than cutting.
Drive Recess: Depression in screw head designed to accept drive tool such as screwdriver or hex key.
Phillips Drive: Cross-shaped recess with tapered sides designed for Phillips screwdriver, common fastener drive.
Pozidriv Drive: Cross-shaped recess with parallel sides and additional radial lines providing improved torque transfer.
Torx Drive: Six-pointed star-shaped recess providing excellent torque transfer and reduced cam-out.
Hex Socket Drive: Recessed hexagonal shape enabling high torque application using hex key or bit.
IACS: International Annealed Copper Standard reference for electrical conductivity where pure copper equals 100%.
Silicon Bronze: Copper alloy containing silicon offering high strength and excellent marine corrosion resistance.
Phosphor Bronze: Copper alloy containing tin and phosphorus providing spring properties and electrical contact performance.
Machine Screw Thread: Uniform diameter thread designed for use with tapped holes or nuts.
Call to Action – Contact Us Today
Ready to discuss your copper pan head screw requirements? Our experienced team is here to help you with precision copper pan head fasteners for your electrical, marine, electronic, and industrial applications.
Request a Quote: Send us your technical specifications, drawings, 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 pan head screw 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 quality documentation by contacting sales@jambrass.com
