Home > Fastening & Joining > Hex Head Cap Screw, Carbon Steel

M22 x 104mm Carbon Steel Hex Cap Screw

Expert Overview

This M22 x 104mm Hex Head Cap Screw, fabricated from high-grade carbon steel, is engineered for demanding industrial applications requiring superior fastening strength and reliability. Its robust construction ensures secure connections.

StandardASME B18
MaterialCarbon Steel
FinishPlain
GradeN/A
SizeM22
Length104mm
Head Width31mm

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this M22 x 104mm hex head cap screw is constructed from robust carbon steel, offering excellent tensile strength and shear resistance. The M22 nominal diameter, combined with a 104mm length and a 31mm hex head width for optimal torque application, makes it ideal for heavy-duty machinery, structural assemblies, and automotive components. Its carbon steel composition provides good hardness and wear resistance, suitable for environments experiencing moderate stress and load.

🧊 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. Apply appropriate lubricant or anti-seize compound to the threads if required by the application. 3. Thread the cap screw into the assembled components until hand-tight, then use a calibrated torque wrench to achieve the specified tightening torque.

Equivalent Standards (Cross-Reference)

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

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Chemical Composition

Carbon (C)0.28 - 0.55%
Manganese (Mn)0.60 - 0.90%
Phosphorus (P)0.04% max
Sulfur (S)0.05% max

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)
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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overtightening the screw, leading to thread stripping or component damage.Always use a calibrated torque wrench and adhere to the manufacturer's recommended torque specifications.
Using the wrong size wrench, which can round off the hex head and prevent proper tightening or removal.Use a wrench that precisely fits the 31mm head width to ensure secure engagement and prevent damage.

Common Applications

  • Heavy machinery assembly
  • Structural steel connections
  • Automotive chassis and engine mounting

⚠️ Engineering Warnings

  • Not recommended for use in highly corrosive environments without appropriate plating or coating.
  • Ensure the material strength of the mating components is compatible with the load capacity of this screw.

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, Carbon Steel made from?

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

Q: What are the main applications?

A: Heavy machinery assembly, Structural steel connections, Automotive chassis and engine mounting.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 104mmAF31mm1/2"-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.