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M10x125mm 304 Stainless Steel Hex Head Cap Screw

Expert Overview

This M10x125mm Hex Head Cap Screw, crafted from premium 304 stainless steel, offers exceptional corrosion resistance and superior tensile strength for critical fastening applications.

StandardASME B18
Material304 Stainless Steel
FinishAnodized
GradeN/A
SizeM10
Length125mm
Head Width18mm

Detailed Engineering Specifications

A high-performance industrial component, this M10x125mm Hex Head Cap Screw is manufactured from grade 304 stainless steel, renowned for its excellent corrosion resistance, particularly in environments exposed to moisture and mild chemicals. The M10 nominal diameter ensures robust load-bearing capacity, while the 125mm length provides significant grip for deep-threaded applications. The 18mm hexagonal head offers optimal torque transfer for secure tightening with standard wrenches, preventing stripping and ensuring a reliable connection. This material composition makes it ideal for use in marine, food processing, chemical, and outdoor construction settings.

🧊 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. Select the appropriate wrench size (18mm) for the hex head. 2. Ensure the mating threads are clean and free from obstructions. 3. Thread the screw into the designated tapped hole or nut, applying consistent torque until the desired tightness is achieved, avoiding overtightening which can damage threads.

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)
M10Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M10Varies 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 the wrong size wrench, leading to head stripping.Always use a properly sized 18mm wrench to ensure maximum grip and prevent damage to the hex head.
Overtightening, causing thread damage or screw failure.Tighten the screw to the manufacturer's recommended torque specifications or to a snug fit that provides secure clamping force without excessive stress.

Common Applications

  • Structural assembly in corrosive environments
  • Marine equipment and fixtures
  • Food and beverage processing machinery

⚠️ Engineering Warnings

  • Ensure compatibility of mating threads (M10) for proper engagement.
  • While 304 stainless steel offers good corrosion resistance, avoid prolonged exposure to highly acidic or alkaline environments which may lead to pitting or staining.

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 assembly in corrosive environments, Marine equipment and fixtures, Food and beverage processing machinery.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 125mmAF18mm1/2"-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.