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M8x63mm Brass Hex Cap Screw | Fastening & Joining

Expert Overview

This M8x63mm Brass Hex Cap Screw offers superior corrosion resistance and excellent conductivity. Its robust construction ensures reliable fastening in demanding environments, ideal for electrical and decorative applications.

StandardASME B18
MaterialBrass
FinishAnodized
GradeN/A
SizeM8
Length63mm
Head Width34mm

Detailed Engineering Specifications

Manufactured under strict quality controls, this M8x63mm brass hex head cap screw features a nominal diameter of M8, a length of 63mm, and a head width of 34mm. Composed of high-grade brass, it exhibits exceptional corrosion resistance, good electrical conductivity, and moderate tensile strength, making it suitable for environments where galvanic corrosion is a concern or where aesthetic appeal is important. The hexagonal head provides a large bearing surface for even load distribution.

🧊 Download 3D CAD Model (.STEP)

Verified Global OEM Partners

This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.

BossardEst. 1831
Switzerland🇨🇭
"Global leader in fastening technology."
Market Rank
🏆 Top 3 Global Fastener Network
Industry Approvals
🚀 Aerospace & Tesla Approved
Warranty & Support
🛡️ Lifetime Traceability
Green Manufacturing
🌱 Carbon Neutral by 2030
Certified:ISO 9001, RoHS, REACH
Würth GroupEst. 1945
Germany🇩🇪
"Premium assembly and fastening materials."
Market Rank
🏆 #1 Global Assembly Supplier
Industry Approvals
🚀 VW & BMW OEM
Warranty & Support
🛡️ 5-Year Industrial Warranty
Green Manufacturing
🌱 100% Recyclable Packaging
Certified:ISO 9001, DIN EN
Brighton-BestEst. 1925
USA🇺🇸
"Master distributor of industrial fasteners."
Market Rank
🏆 Largest Distributor in NA
Industry Approvals
🚀 Boeing Approved
Warranty & Support
🛡️ Global Replacement Guarantee
Green Manufacturing
🌱 Green Steel Initiative
Certified:ISO 9001, A2LA

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:N/A

Installation Procedure

1. Select the appropriate mating component with an M8 tapped hole or nut. 2. Insert the cap screw through the components to be joined. 3. Tighten the cap screw using a suitable wrench or socket to the required torque specification, ensuring even pressure.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASME B18

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Chemical Composition

Copper (Cu)60.0 - 63.0%
Zinc (Zn)Balance
Lead (Pb)2.5 - 3.7%

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°C)
Thermal Expansion
Typical for Material Class

Recommended Torque Values

Bolt SizeDry Torque (ft-lbs)Lubricated Torque (ft-lbs)
M8Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M8Varies by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Over-tightening the brass screw, which can strip the threads or deform the mating material.Adhere to recommended torque values for brass fasteners, especially in softer materials. Use a torque wrench for precise control.
Using a steel wrench on a brass screw, which can damage the hex head profile and make future removal difficult.Utilize brass or high-quality alloy steel wrenches specifically designed for hex heads to prevent marring.

Common Applications

  • Electrical connectors and grounding hardware
  • Marine hardware and fittings
  • Decorative architectural elements

⚠️ Engineering Warnings

  • Brass is a softer material than steel and may not be suitable for high-stress structural applications.
  • Avoid use in highly aggressive chemical environments where brass may degrade.

Alternative Products to Consider

Premium Fastening & Joining equivalentHigher corrosion resistance (316 SS)
Economy Fastening & Joining optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Hex Head Cap Screw, Brass made from?

A: This Hex Head Cap Screw, Brass is manufactured from Brass.

Q: What are the main applications?

A: Electrical connectors and grounding hardware, Marine hardware and fittings, Decorative architectural elements.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 63mmAF34mm1/2"-13TIGHTEN →MECHANICAL PROPERTIESTensile Strength: 150,000 psiThread: 1/2"-13 UNCTorque Direction: Clockwise (CW)Head Marking: 6 radial lines (Grade 8)

Torque Specifications

⚡ UNIT CONVERTER

Conversion factor: 1 ft-lb ≈ 1.356 Nm

Verified Compatibility

StatusMating ComponentStandardTorque SpecEngineering Notes
No verified compatibility data found for this component.