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M9x104mm 304 Stainless Steel Hex Cap Screw | Industrial Grade

Expert Overview

This M9x104mm hex head cap screw, crafted from premium 304 stainless steel, offers superior corrosion resistance and exceptional tensile strength for critical fastening applications in harsh environments.

StandardDIN 933
Material304 Stainless Steel
FinishAnodized
GradeN/A
SizeM9
Length104mm
Head Width7mm

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this M9x104mm hex head cap screw is manufactured from high-grade 304 stainless steel, renowned for its excellent corrosion resistance, particularly in marine and chemical environments. The robust hex head design ensures secure torque application with standard tooling, while the M9 thread size and 104mm length provide precise fitment for demanding structural and mechanical assemblies. Its inherent strength and durability make it ideal for applications requiring long-term reliability and resistance to environmental degradation.

🧊 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 from debris. 2. Thread the cap screw by hand to confirm proper engagement and prevent cross-threading. 3. Tighten the cap screw to the specified torque using a calibrated torque wrench and an appropriate hex socket.

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
Using a socket that is the wrong size for the hex head, leading to slippage and potential damage to the fastener or tool.Always verify the correct socket size for the M9 hex head, typically 14mm, to ensure a snug fit and optimal torque transfer.
Over-tightening the cap screw, which can strip the threads or cause material fatigue, compromising the joint's integrity.Consult engineering drawings or torque charts for the recommended torque specification and utilize a calibrated torque wrench for precise tightening.

Common Applications

  • Structural steel connections
  • Marine equipment assembly
  • Chemical processing machinery
  • Outdoor infrastructure

⚠️ Engineering Warnings

  • Always wear appropriate safety glasses during installation.
  • Ensure compatibility with mating components to prevent thread damage.

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: Structural steel connections, Marine equipment assembly, Chemical processing machinery, Outdoor infrastructure.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 104mmAF7mm1/2"-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.