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

M9x97mm 304 Stainless Steel Hex Cap Screw

Expert Overview

Engineered for robust performance, this M9x97mm hex head cap screw is precision-machined from premium 304 stainless steel, offering exceptional corrosion resistance and tensile strength for critical fastening applications.

StandardASME B18
Material304 Stainless Steel
FinishBlack Oxide
GradeN/A
SizeM9
Length97mm
Head Width16mm

Detailed Engineering Specifications

Specified by design engineers worldwide, this M9x97mm hex head cap screw boasts a 16mm head width, ensuring secure torque application and reliable structural integrity. Constructed from 304 stainless steel, it exhibits superior resistance to rust, corrosion, and various chemical environments, making it ideal for outdoor, marine, food processing, and chemical processing applications where longevity and hygiene are paramount. Its precise dimensions facilitate seamless integration into pre-tapped holes or with matching nuts, providing a dependable and long-lasting connection.

🧊 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 mating threads are clean and free of debris. 2. Insert the hex head cap screw into the designated hole or nut. 3. Tighten the screw to the recommended torque specification using an appropriate hex wrench or socket, avoiding overtightening.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASME B18

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 standard steel screw in a corrosive environment.Always select fasteners manufactured from materials like 304 stainless steel for environments prone to corrosion to prevent premature failure and maintain structural integrity.
Overtightening the screw, leading to thread stripping or material deformation.Adhere to the manufacturer's recommended torque specifications and use a calibrated torque wrench for precise tightening.

Common Applications

  • Marine hardware and shipbuilding
  • Food and beverage processing equipment
  • Chemical processing plants
  • Outdoor structural assemblies
  • General industrial machinery

⚠️ Engineering Warnings

  • Ensure the selected screw's material is compatible with the surrounding environment to prevent galvanic corrosion.
  • Always use appropriate personal protective equipment (PPE) when handling and installing fasteners.

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: Marine hardware and shipbuilding, Food and beverage processing equipment, Chemical processing plants, Outdoor structural assemblies, General industrial machinery.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 97mmAF16mm1/2"-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.