Home > Fastening & Joining > Hex Head Cap Screw, Brass

M8 x 124mm Brass Hex Cap Screw | Corrosion Resistant Fastener

Expert Overview

This M8 x 124mm brass hex head cap screw offers superior corrosion resistance and non-sparking properties. Ideal for applications where chemical exposure or hazardous environments are a concern, providing reliable and long-lasting fastening.

StandardISO 9001
MaterialBrass
FinishZinc Plated
GradeN/A
SizeM8
Length124mm
Head Width32mm

Detailed Engineering Specifications

A proven choice for industrial professionals, this M8 x 124mm hex head cap screw is precision-engineered from high-grade brass. Its substantial 32mm head width ensures excellent torque transfer and a secure fit, while the M8 thread provides robust joining capabilities. Brass offers inherent resistance to corrosion, particularly in marine, chemical, and humid environments, and its non-magnetic and non-sparking characteristics make it suitable for sensitive electrical or potentially explosive atmospheres. This fastener meets stringent industrial standards for reliability and performance.

🧊 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. Ensure mating threads are clean and free of debris. 2. Align the hex head cap screw with the pre-drilled or tapped hole. 3. Engage the screw with a properly sized hex socket wrench and tighten to the required torque specification, avoiding over-tightening.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardISO 9001

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 the wrong size hex driver, leading to cam-out and potential damage to the screw head or tool.Always select a hex socket wrench that precisely fits the M8 hex head to ensure maximum engagement and prevent slippage.
Over-tightening the brass screw, which can strip the threads or deform the material.Refer to torque specifications for the application or material being joined and use a calibrated torque wrench for accurate tightening.

Common Applications

  • Marine hardware and fittings
  • Electrical enclosures and components
  • Chemical processing equipment
  • Food processing machinery

⚠️ Engineering Warnings

  • Brass is a softer material than steel; avoid excessive force during installation.
  • Not recommended for high-stress structural applications where steel fasteners are typically required.

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 enclosures and components, Chemical processing equipment, Food processing machinery.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 124mmAF32mm1/2"-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.