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Brass Hex Head Screws

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MOQ : 50000 Pieces

Brass Hex Head Screws Specification

Size
m8x25

Product Type
Fasteners

Thread Type
Metric or Imperial

Processing Type
Machining, Tapping

Usage
furniture, automobile, industrial, electrical parts

Dimension (L*W*H)
m8x25 Millimeter (mm)

Surface Finishing
Yellow, Golden

Finish
Plating, nickle plated, chrome, plated Customized

Diameter
12 Millimeter (mm)

Shape
Hex Head

Tolerance
0.05 Millimeter (mm)

Head Type
Hexagonal Head

Fastener Type
Screws

Application
furniture, automobile, industrial, electrical parts

Material
Brass

Drive Type
Wrench driven

Brass Hex Head Screws Trade Information

Minimum Order Quantity
50000 Pieces

FOB Port
Nhavaseva, Ahmedabad ICD Khodiyar,Mundra

Payment Terms
Letter of Credit (L/C), Cash Advance (CA), Cash in Advance (CID)

Supply Ability
150000 Pieces Per Month

Delivery Time
15 Days

Sample Policy
If order is confirmed we will reimburse the sample cost

Packaging Details
1. Bulk Industrial Packaging: 2. Retail Small Pack: 3. Anti-Corrosion Protection: 4. Standard Labeling: 5. Custom OEM Packaging: 6. Export Carton Marking: 7. Pallet & Container Loading: 8. Eco-Friendly Options:

Main Export Market(s)
North America, South America, Africa, Asia, Australia, Central America, Eastern Europe, Western Europe, Middle East

Main Domestic Market
All India

Certifications
ISO 9001:2015, IATF 16949:2016, RoHS Compliance, REACH Compliance

About Brass Hex Head Screws

BRASS HEX HEAD SCREWS - COMPLETE DESCRIPTION

Product: Brass Hex Head Screws / Bolts (ISO 4017 / DIN 933)

Alternative Names: Hexagon Head Bolts, Hex Cap Screws, Six-Sided Head Screws, Hex Head Machine Screws, Hexagonal Bolts

Material: High-grade brass alloy (CuZn 60/40)

Finish: Polished golden brass (Natural, Lacquered, Nickel-plated, Chrome-plated options available)

Head Type: Six-sided hexagonal head with flat top surface, wrench-driven

KEY FEATURES:

Hexagonal Head Design: Six flat sides for secure wrench or socket grip, prevents slipping during installation High Torque Capacity: Hex head allows greater tightening force compared to socket head screws Corrosion Resistant: Brass composition ensures excellent performance in marine, humid, and outdoor environments Non-Magnetic: Suitable for electronic equipment and sensitive instrumentation Electrical Conductivity: Can be used for grounding and bonding applications Aesthetic Appeal: Attractive golden brass finish for decorative and visible fastening applications Easy Installation: Standard hex wrench or socket tool - no special tools required Durable Material: Long-lasting performance with minimal maintenance Precision Threads: Machine-cut threads for accurate engagement and secure fastening Versatile Applications: Suitable for wood, plastic, soft metals, composites, and various materials

TECHNICAL SPECIFICATIONS:

Material Composition: CuZn brass alloy (Cu 60-65%, Zn 35-40%) Surface Treatment: Polished/Bright golden brass finish Thread Type: Machine thread, uniform pitch, full or partial thread Head Style: Hexagonal (6-sided) with flat top and chamfered edges Drive Type: External hex (wrench or socket driven) Standards Compliance: ISO 4017, DIN 933, ANSI B18.2.1, BS 1768

HEAD DESIGN SPECIFICATIONS:

Head Shape: Hexagonal (6 flat sides) with flat top surface
Head Height: Standard height approximately 0.7 diameter
Across Flats (AF): Standard wrench size for each diameter
Across Corners: Diagonal measurement for socket clearance
Chamfered Edges: Smooth edges for easy installation and professional appearance

AVAILABLE SIZES:

Metric Sizes (ISO 4017 / DIN 933):

Diameter: M2, M2.5, M3, M4, M5, M6, M8, M10, M12, M16, M20
Length: 5mm to 100mm (varies by diameter)
Wrench Size (AF): 4mm to 30mm (proportional to shaft diameter)

Imperial Sizes (ANSI B18.2.1):

Diameter: #2-56, #4-40, #6-32, #8-32, #10-24, 1/4"-20, 5/16"-18, 3/8"-16, 1/2"-13
Length: 1/4" to 4" (varies by diameter)
Wrench Size (AF): 1/8" to 3/4" (proportional to shaft diameter)

APPLICATIONS:

Furniture & Cabinetry: Structural fastening for frames, joints, and hardware mounting
Plumbing Fittings: Brass-to-brass connections, valve assemblies, pipe fittings
Electrical Panels: Terminal blocks, grounding connections, busbar mounting
Marine Hardware: Boat fittings, deck hardware, rigging components (corrosion-resistant)
Automotive: Engine components, electrical connections, interior/exterior trim
HVAC Equipment: Air conditioning units, ventilation systems, ductwork mounting
Machinery Assembly: Equipment frames, guards, covers, and structural components
Musical Instruments: Hardware for guitars, drums, brass instruments, and woodwinds
Architectural Hardware: Handrails, balustrades, signage mounting, decorative metalwork
Electronics Enclosures: Equipment racks, control panels, chassis assembly
Lighting Fixtures: Lamp assemblies, chandelier components, decorative lighting hardware
Sporting Equipment: Gym equipment, bicycles, recreational gear
Food Processing Equipment: Stainless steel compatible, easy-to-clean applications
Medical Equipment: Non-magnetic fasteners for MRI-safe devices
Display Fixtures: Retail displays, exhibition stands, point-of-sale units

ADVANTAGES:

High Torque Application: Hex head design allows maximum tightening force with standard tools Universal Tool Compatibility: Works with standard wrenches, sockets, and adjustable spanners Excellent Corrosion Resistance: Brass naturally resists rust, oxidation, and marine environments Non-Sparking: Safe for use in explosive or flammable environments Aesthetic Golden Finish: Attractive appearance for visible applications and decorative hardware Electrical Conductivity: Ideal for grounding, bonding, and electrical connections Non-Magnetic Properties: Won't interfere with electronic equipment or magnetic fields Easy Inspection: External hex head allows visual verification of tightness Durable & Long-Lasting: Brass resists wear, galling, and thread damage Temperature Resistant: Maintains properties in wide temperature range (-200C to +200C) Chemical Resistant: Withstands exposure to many chemicals, oils, and solvents Recyclable Material: 100% recyclable brass for environmental sustainability

SURFACE FINISH OPTIONS:

Natural Brass (Polished): Standard golden finish with bright, reflective surface
Lacquered Brass: Anti-tarnish clear coating preserves shine and prevents oxidation
Nickel Plated: Silver appearance with enhanced corrosion resistance
Chrome Plated: Bright chrome finish for decorative and high-wear applications
Antique Brass: Aged/oxidized finish for vintage or rustic aesthetic
Black Oxide: Dark finish for contrast or stealth applications
Zinc Plated: Additional corrosion protection with silver-gray appearance
Custom Finishes: Consult for special color or coating requirements

INSTALLATION GUIDELINES:

Pilot Hole: Drill pilot hole slightly smaller than screw diameter (approximately 85-90% of major diameter)
Clearance Hole: For through-hole applications, drill clearance hole slightly larger than shaft diameter
Wrench Selection: Use correct size wrench or socket that fits hex head snugly (across flats measurement)
Alignment: Ensure screw is perpendicular to surface for proper thread engagement
Tightening: Apply steady, even pressure - avoid over-tightening which can strip threads or damage material
Torque: Follow recommended torque values (see table below) for optimal clamping force
Thread Engagement: Minimum thread engagement should be 1.5 diameter for steel, 2 diameter for softer materials
Lubrication: For high-torque applications, light lubrication on threads can prevent galling

RECOMMENDED TORQUE VALUES:

Size	Torque (Nm)	Torque (lb-ft)	Wrench Size (AF)
M3	0.5-0.7	0.4-0.5	5.5mm
M4	1.0-1.4	0.7-1.0	7mm
M5	2.0-2.8	1.5-2.1	8mm
M6	3.5-5.0	2.6-3.7	10mm
M8	8.0-11.0	5.9-8.1	13mm
M10	16.0-22.0	11.8-16.2	17mm
M12	28.0-38.0	20.7-28.0	19mm

QUALITY ASSURANCE:

100% Dimensional Inspection: Precision measurement of head size, height, thread parameters

Salt Spray Test: 48+ hours (ASTM B117) - excellent corrosion resistance verification Torque Testing: Head strength and wrench engagement integrity verified

Tensile Strength Testing: Pull-out and shear strength tested per ISO/ANSI standards Thread Gauge Verification: GO/NO-GO gauges ensure accurate thread dimensions

Head Profile Verification: Hex dimensions and flatness measured for consistency

Surface Finish Inspection: Visual and tactile inspection for smooth, defect-free finish

ISO 9001:2015 Certified: Manufacturing facility with documented quality management system

RoHS Compliant: Lead-free brass available for environmental compliance

REACH Compliant: European chemical regulation compliance

Material Test Certificates (MTC): Chemical composition and mechanical properties documented

Third-Party Inspection: SGS, BV, Intertek, TUV inspection accepted

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