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M8 x 97mm Brass Hex Head Cap Screw | Fastening

Expert Overview

This M8 x 97mm hex head cap screw, crafted from high-grade brass, offers superior corrosion resistance and a non-sparking nature, making it ideal for demanding environments.

StandardASTM A106
MaterialBrass
FinishBlack Oxide
GradeN/A
SizeM8
Length97mm
Head Width9mm

Detailed Engineering Specifications

Built to exacting engineering tolerances, this M8 x 97mm hex head cap screw is manufactured from solid brass (typically UNS C36000 or equivalent) renowned for its excellent machinability, moderate strength, and exceptional resistance to corrosion and tarnishing, especially in marine and humid environments. The hex head with a nominal width of 9mm provides a secure grip for standard hex wrenches, facilitating precise torque application. Its M8 metric thread pitch ensures compatibility with standard M8 nuts and tapped holes. This fastener is particularly suited for applications where non-magnetic properties, electrical conductivity, or aesthetic appeal are critical, such as in electrical component assembly, marine hardware, plumbing fixtures, and decorative architectural elements.

🧊 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 M8 hex wrench for the head. 2. Insert the cap screw into the pre-drilled or tapped hole. 3. Tighten the screw firmly, ensuring a secure connection without over-torquing to avoid thread stripping.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASTM A106

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
Using a steel fastener in a corrosive environment.Utilize brass fasteners for enhanced corrosion resistance in marine, chemical, or humid conditions.
Over-tightening brass screws, leading to thread damage.Apply appropriate torque using a calibrated wrench, avoiding excessive force to protect the threads.

Common Applications

  • Electrical connectors and housings
  • Marine hardware and fixtures
  • Plumbing and sanitary fittings
  • Decorative architectural elements

⚠️ Engineering Warnings

  • Brass is a softer metal than steel; avoid excessive force during installation.
  • While corrosion-resistant, brass can be susceptible to certain aggressive chemicals. Consult material compatibility charts if unsure.

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 housings, Marine hardware and fixtures, Plumbing and sanitary fittings, Decorative architectural elements.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 97mmAF9mm1/2"-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.