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M8 x 62mm Brass Hex Head Cap Screw | Fastening & Joining

Expert Overview

This M8 x 62mm brass hex head cap screw offers superior corrosion resistance and excellent electrical conductivity. Its robust design ensures reliable fastening in demanding industrial environments.

StandardASME B18
MaterialBrass
FinishGalvanized
GradeN/A
SizeM8
Length62mm
Head Width32mm

Detailed Engineering Specifications

A high-performance industrial component, this M8 x 62mm hex head cap screw is precision-machined from solid brass, renowned for its exceptional corrosion resistance, non-magnetic properties, and moderate strength. The M8 thread size ensures compatibility with standard metric fastening systems, while the 62mm length provides ample reach for various assembly applications. The substantial 32mm hex head offers superior torque transfer capabilities, facilitating secure tightening and preventing fastener stripping, even under high stress. This material choice makes it ideal for marine, chemical processing, and electrical applications where galvanic corrosion is a concern.

🧊 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. Hand-thread the cap screw into the receptacle to ensure proper alignment and prevent cross-threading. 3. Using a suitable wrench (e.g., 13mm or 1/2 inch socket), tighten the cap screw to the required torque specification, taking care not to overtighten, which could damage the threads or the component.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using excessive force, leading to thread damage or fastener breakage.Refer to torque charts for the specific application and use a calibrated torque wrench to achieve the recommended tightness.
Using the incorrect wrench size, resulting in cam-out and stripped hex heads.Always use the correct size wrench that fits snugly into the hex head recess.

Common Applications

  • Marine hardware and fittings
  • Electrical grounding and connection points
  • Chemical processing equipment
  • Food processing machinery
  • Artistic and decorative metalwork

⚠️ Engineering Warnings

  • Brass is a softer material than steel and may not be suitable for high-load structural applications.
  • Avoid use in highly acidic or abrasive environments where brass may degrade prematurely.

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: Marine hardware and fittings, Electrical grounding and connection points, Chemical processing equipment, Food processing machinery, Artistic and decorative metalwork.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 62mmAF32mm1/2"-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.