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M22 x 120mm 304 Stainless Steel Hex Cap Screw | Fasteners

Expert Overview

This M22 x 120mm hex head cap screw, constructed from premium 304 stainless steel, offers exceptional corrosion resistance and superior tensile strength for secure, long-lasting fastening in demanding environments.

StandardISO 9001
Material304 Stainless Steel
FinishPassivated
GradeN/A
SizeM22
Length120mm
Head Width35mm

Detailed Engineering Specifications

Engineered for reliability and performance, this M22 x 120mm hex head cap screw is manufactured from robust 304 stainless steel, renowned for its excellent corrosion resistance and strength. The M22 nominal diameter ensures substantial load-bearing capacity, while the 120mm length provides ample thread engagement for secure joints. The 35mm hex head width allows for high torque application with standard tooling, facilitating efficient assembly. This specification makes it ideal for applications requiring resistance to moisture, chemicals, and moderate temperatures, ensuring the integrity of critical connections.

🧊 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 from debris. 2. Apply appropriate lubricant if required by the application to prevent galling, especially in stainless steel to stainless steel connections. 3. Tighten the cap screw to the specified torque using a calibrated torque wrench to ensure secure fastening without overstressing the material.

Equivalent Standards (Cross-Reference)

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

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)
M22Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M22Varies 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 excessive force without a torque wrench, leading to thread stripping or fastener failure.Always use a calibrated torque wrench and adhere to recommended torque specifications for the fastener size and application.
Not using anti-seize compound with stainless steel fasteners in certain environments, risking galling.Apply a suitable anti-seize lubricant specifically designed for stainless steel when mating stainless steel components to prevent thread seizure.

Common Applications

  • Structural steel connections
  • Marine and offshore equipment
  • Food processing machinery

⚠️ Engineering Warnings

  • Ensure the material grade of the mating component is compatible to prevent galvanic corrosion.
  • Do not exceed the recommended tensile strength or torque limits to avoid fastener failure.

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 and offshore equipment, Food processing machinery.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 120mmAF35mm1/2"-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.