Home > Fastening & Joining > Hex Head Cap Screw, 304 Stainless Steel

M9 x 105mm 304 Stainless Steel Hex Cap Screw

Expert Overview

Engineered for robust fastening, this M9 x 105mm hex head cap screw is manufactured from high-grade 304 stainless steel. Offering superior corrosion resistance and tensile strength, it's designed for reliable performance in diverse industrial applications.

StandardDIN 933
Material304 Stainless Steel
FinishBlack Oxide
GradeN/A
SizeM9
Length105mm
Head Width13mm

Detailed Engineering Specifications

A proven choice for industrial professionals, this M9 x 105mm hex head cap screw boasts a 13mm head width for secure torque application. Constructed from premium 304 stainless steel, it exhibits excellent resistance to corrosion, rust, and pitting, making it ideal for environments exposed to moisture, chemicals, or varying temperatures. Its robust design ensures high tensile and shear strength, suitable for structural assemblies, machinery, and outdoor infrastructure where long-term durability and integrity are paramount.

🧊 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:Yes

Installation Procedure

1. Ensure the mating threads are clean and free of debris. 2. Hand-thread the cap screw to confirm proper engagement and alignment. 3. Tighten using an appropriate wrench or socket, applying torque according to design specifications.

Equivalent Standards (Cross-Reference)

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

Mechanical Properties

Tensile Strength75,000 psi (515 MPa)
Yield Strength30,000 psi (205 MPa)
Elongation in 2 in.40% min
HardnessRockwell B95 max

Chemical Composition

Carbon (C)0.08% max
Chromium (Cr)18.0 - 20.0%
Nickel (Ni)8.0 - 10.5%
Manganese (Mn)2.00% max

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1400°F (760°C)
Thermal Expansion
Typical for Material Class

Recommended Torque Values

Bolt SizeDry Torque (ft-lbs)Lubricated Torque (ft-lbs)
M9Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M9Varies by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedExcellent
Marine / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overtightening, leading to thread stripping or material fatigue.Utilize a torque wrench set to the manufacturer's recommended specification for the application.
Using incompatible tools that can damage the hex head.Employ a correctly sized, high-quality socket or wrench that fits snugly onto the hex head.

Common Applications

  • Machinery and Equipment Assembly
  • Structural Steel Connections
  • Marine and Coastal Infrastructure

⚠️ Engineering Warnings

  • Ensure compatibility with mating components to avoid premature failure.
  • While 304 stainless steel offers good corrosion resistance, avoid prolonged exposure to aggressive chemicals or saltwater without appropriate coatings or maintenance.

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, 304 Stainless Steel made from?

A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.

Q: What are the main applications?

A: Machinery and Equipment Assembly, Structural Steel Connections, Marine and Coastal Infrastructure.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 105mmAF13mm1/2"-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.