Comprehensive Technical Overview of Brass Wing Nuts
We are one of the leading manufacturers and exporters of Brass Wing Nuts, Brass Thumb Nuts, and Hand-Tightened Brass Fasteners from India. We have been supplying high-quality Brass Wing Nuts, Standard Wing Nuts, Heavy Wing Nuts, Small Wing Nuts, Electrical Brass Wing Nuts, Custom Wing Nuts, and Special Application Brass Wing Nuts to the world market for many decades. Our state-of-the-art manufacturing facility specializes in producing premium Brass Wing Nut Systems using advanced copper alloy formulation, precision sand casting, hot forging technology, investment casting, CNC machining, heat treatment processes, surface finishing, automated assembly, ergonomic testing, and comprehensive quality assurance systems. With over three decades of global experience in Brass Wing Nut manufacturing, we serve diverse industries including electrical equipment manufacturing, marine hardware, furniture applications, musical instruments, scientific equipment, automotive components, and general hardware applications. Our expertise encompasses working with various brass alloys including Free Cutting Brass (C36000), Architectural Brass (C38500), Naval Brass (C46400), Leaded Brass (C35300), and DZR Brass (CW602N). We manufacture Brass Wing Nuts in sizes from M3 to M16, thread pitches including metric, UNC, UNF, and BSP, maintaining excellent corrosion resistance, good electrical conductivity, compliance with ISO 4038, DIN 315, ANSI B18.13, ASTM B16 standards, and reliable performance in various hand-tightened applications.
Types of Brass Wing Nuts
Standard Brass Wing Nuts
General Purpose Wing Nuts with balanced wing design for comfortable hand tightening, featuring smooth edges and ergonomic profile. Available in sizes from M4 to M12 with various thread pitches. These Universal Wing Nuts provide tool-free fastening for electrical connections, furniture assembly, instrument panels, and general applications where frequent adjustment is required.
Heavy Brass Wing Nuts
Reinforced Wing Nuts with thicker wings and robust construction, featuring increased torque capability and enhanced durability. Sizes from M6 to M16 with heavy-duty design. These High-Strength Wing Nuts are essential for industrial equipment, marine hardware, outdoor applications, and heavy-duty assemblies where higher tightening force is needed.
Small Brass Wing Nuts
Miniature Wing Nuts with compact wing design for limited spaces, featuring precise threading and smooth operation. Available in sizes from M3 to M6 with delicate proportions. These Precision Wing Nuts are designed for electronic equipment, scientific instruments, optical devices, and small mechanisms where space is constrained.
Brass Wing Nuts with Locking Features
Self-Locking Wing Nuts with integrated locking mechanisms, featuring nylon inserts or deformed threads for secure fastening. These Vibration-Resistant Wing Nuts provide reliable locking for vibrating equipment, moving parts, vehicular applications, and situations requiring secure hand-tightened connections.
Ornamental Brass Wing Nuts
Decorative Wing Nuts with enhanced aesthetic appeal, featuring polished finishes, intricate patterns, and premium appearance. These Architectural Wing Nuts are crucial for visible applications, decorative hardware, furniture fixtures, and premium products where appearance matters.
Material Specifications & Properties
Brass Alloy Composition & Mechanical Properties
| Alloy Type | Composition | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Rockwell Hardness |
|---|---|---|---|---|---|
| Free Cutting Brass C36000 | 61.5% Cu, 35.5% Zn, 3% Pb | 340-420 | 170-200 | 25-35 | B78-B85 |
| Architectural Brass C38500 | 57-60% Cu, 35.5-40.5% Zn, 2.5-3.5% Pb | 380-450 | 160-190 | 30-40 | B70-B80 |
| Naval Brass C46400 | 60% Cu, 39.25% Zn, 0.75% Sn | 380-480 | 170-210 | 25-35 | B75-B85 |
| DZR Brass CW602N | 58-60% Cu, 36-38% Zn, 1.6-2.5% Pb | 400-500 | 180-220 | 20-30 | B80-B90 |
Performance Specifications & Standards
| Parameter | Standard Grade | Heavy Pattern Grade | Marine Grade | Test Standard |
|---|---|---|---|---|
| Hand Torque | 2-15 Nm | 5-25 Nm | 3-20 Nm | ISO 3506 |
| Proof Load | 150-400 MPa | 300-600 MPa | 250-500 MPa | ISO 898-2 |
| Wing Strength | 50-200 N | 100-350 N | 80-280 N | DIN 315 |
| Corrosion Resistance | 500 hours | 750 hours | 1000+ hours | ASTM B117 |
Manufacturing Excellence
Advanced Manufacturing Process
Sand Casting Technology: Precision sand casting for wing formation and complex shapes
Hot Forging Process: 400-ton forging presses for high-strength components
Investment Casting: Precision casting for intricate designs and smooth surfaces
CNC Machining: Precision threading and finishing operations
Heat Treatment: Stress relief annealing for optimal mechanical properties
Surface Treatment: Polishing, plating, and special coatings
Ergonomic Testing: Comfort and usability evaluation
Quality Assurance Protocols
Raw Material Testing: Spectrochemical analysis for alloy composition verification
Dimensional Control: Optical comparator inspection with statistical process control
Mechanical Testing: Torque testing, wing strength testing, and hardness testing
Thread Verification: Go/No-Go gauge testing for thread accuracy
Surface Quality: Visual inspection for defects and smooth edges
Performance Validation: Salt spray testing, ergonomic testing, and fatigue testing
Technical Specifications & Performance Data
Wing Nut Specifications & Torque Values
| Nut Size | Thread Pitch | Wing Span | Overall Height | Hand Torque Range | Proof Load | Weight (g) |
|---|---|---|---|---|---|---|
| M4 | 0.7mm | 16mm | 8mm | 2-4 Nm | 2500 N | 2.5 |
| M5 | 0.8mm | 18mm | 9mm | 3-5 Nm | 4000 N | 3.8 |
| M6 | 1.0mm | 22mm | 10mm | 4-7 Nm | 6000 N | 6.5 |
| M8 | 1.25mm | 28mm | 12mm | 6-10 Nm | 10000 N | 12.0 |
| M10 | 1.5mm | 34mm | 14mm | 8-14 Nm | 16000 N | 20.5 |
| M12 | 1.75mm | 40mm | 16mm | 10-18 Nm | 23000 N | 32.0 |
| M16 | 2.0mm | 50mm | 20mm | 15-25 Nm | 42000 N | 65.0 |
Ergonomic Performance & Design Features
| Feature | Advantage | Applications |
|---|---|---|
| Wide Wings | Comfortable hand grip | Frequent adjustments |
| Rounded Edges | Prevents hand injury | User-friendly applications |
| Balanced Design | Even torque distribution | Precision equipment |
| Textured Surface | Improved grip | Wet or oily conditions |
| Smooth Operation | Easy threading | Quick assembly/disassembly |
Surface Finishes & Coatings
Available Finishes & Specifications
| Finish Type | Thickness | Salt Spray Resistance | Appearance | Applications |
|---|---|---|---|---|
| Natural Brass | N/A | 96 hours | Golden Yellow | General, Indoor |
| Polished Brass | N/A | 96 hours | Mirror Finish | Decorative, Marine |
| Satin Brass | N/A | 96 hours | Soft Sheen | Premium, Furniture |
| Nickel Plated | 5-15μm | 200-300 hours | Silver White | Industrial, Marine |
| Chrome Plated | 10-20μm | 300-500 hours | Bright Silver | Marine, Automotive |
| Antique Brass | N/A | 120 hours | Dark Patina | Architectural, Decorative |
International Standards & Certifications
Global Compliance & Approvals
ISO 4038: Wing nuts – Product grades A and B
DIN 315: Wing nuts
ANSI B18.13: American standard for wing nuts
ASTM B16: Standard specification for free-cutting brass rod, bar, and shapes
RoHS Compliance: Restriction of hazardous substances
REACH Compliance: European chemicals regulation
Testing & Certification Standards
Mechanical Testing: Torque testing per ISO 3506
Corrosion Testing: Salt spray testing per ASTM B117
Dimensional Inspection: Thread gauging per ISO 1502
Ergonomic Testing: Comfort and usability evaluation
Material Certification: Mill certificates with full traceability
Industry Applications
Electrical & Electronics
Control Panels: Quick access and adjustment in electrical enclosures
Terminal Connections: Easy tightening in electrical terminals
Instrument Housings: Tool-free access to internal components
Test Equipment: Frequent adjustments in laboratory devices
Marine & Outdoor
Boat Fittings: Corrosion-resistant fastening in marine environments
Deck Hardware: Easy operation in outdoor conditions
Marine Electronics: Reliable connections in saltwater environments
Outdoor Equipment: Weather-resistant fastening solutions
Furniture & Consumer Products
Furniture Assembly: Tool-free adjustments in furniture pieces
Musical Instruments: Precise adjustments in instrument mechanisms
Sporting Goods: Quick adjustments in sports equipment
Consumer Electronics: User-friendly fastening in electronic devices
Installation Guidelines & Maintenance
Professional Installation Procedure
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Thread Preparation: Clean mating threads and verify compatibility
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Nut Selection: Choose appropriate size and style for application requirements
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Hand Positioning: Hold wings comfortably between thumb and fingers
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Initial Threading: Start threads carefully to prevent cross-threading
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Tightening: Apply even pressure on both wings for proper seating
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Final Check: Verify secure fastening without over-tightening
Maintenance Best Practices
Regular Inspection: Visual inspection for corrosion, damage, or wear
Thread Cleaning: Periodic cleaning of threads to ensure smooth operation
Corrosion Monitoring: Regular assessment in harsh environments
Surface Care: Appropriate cleaning for different finishes
Replacement Schedule: 15+ year service life with proper use
Frequently Asked Questions
Q1: What are the main advantages of wing nuts over standard nuts?
Brass wing nuts offer tool-free operation, quick adjustment, user-friendly design, excellent corrosion resistance, good electrical conductivity, and aesthetic appeal. They are ideal for applications requiring frequent access or adjustment.
Q2: Can wing nuts be used in high-vibration applications?
Standard wing nuts are not recommended for high-vibration applications. However, we offer locking wing nuts with nylon inserts or other locking features that provide secure fastening in vibrating environments.
Q3: What is the maximum torque that can be applied by hand?
The maximum hand torque varies by size and user strength, but typically ranges from 2-25 Nm depending on the wing nut size and design. Our heavy pattern wing nuts are designed for higher torque applications.
Q4: Do you provide wing nuts with custom wing designs?
Yes, we specialize in custom wing nut manufacturing including special wing shapes, sizes, patterns, and custom branding. Minimum order quantities apply for custom designs.
Q5: What is the expected service life of your brass wing nuts?
Our brass wing nuts have a service life expectancy of 15+ years in standard applications and 10+ years in harsh environments when properly used and maintained, depending on the specific alloy and frequency of use.
Q6: What testing do you perform on finished wing nuts?
We perform 100% dimensional inspection, thread gauge verification, visual examination, wing strength testing, and sample torque testing. Additionally, we conduct corrosion testing, ergonomic evaluation, fatigue testing, and material verification.
Contact Us Today – Request Quote for Brass Wing Nuts
Ready to discuss your Brass Wing Nut requirements for electrical equipment, marine hardware, furniture applications, or custom hand-tightened solutions?
Request a Quote: Send your specifications including nut size, thread type, wing style, material grade, finish, quantity, and application details to sales@jambrass.com for a detailed quotation within 24 hours.
Technical Support: Email your application requirements or technical drawings for wing nut selection guidance, material recommendation, and design assistance.
Call Us: +91-22-43449300 / +91-22-43449323 (Monday-Friday, 9:00 AM – 6:00 PM IST)
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
Email: sales@jambrass.com
