Home > Fastening & Joining > Hex Head Cap Screw, 316 Stainless Steel

M24 x 51mm 316 Stainless Steel Hex Cap Screw

Expert Overview

Engineered for demanding environments, this M24 x 51mm hex head cap screw is forged from premium 316 stainless steel, offering superior corrosion resistance and high tensile strength for secure fastening.

StandardISO 9001
Material316 Stainless Steel
FinishPassivated
GradeN/A
SizeM24
Length51mm
Head Width12mm

Detailed Engineering Specifications

Manufactured under strict quality controls, this M24 x 51mm hex head cap screw features a robust 12mm head width for reliable torque application. Constructed from 316 stainless steel, it provides exceptional resistance to pitting and crevice corrosion, making it ideal for aggressive environments including marine, chemical processing, and food industries. The material composition ensures excellent durability and longevity, even under extreme temperature variations and corrosive conditions. Conforms to relevant industry standards for thread pitch and tolerances.

🧊 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 of debris. 2. Insert the hex head cap screw and hand-tighten to engage the threads. 3. Using an appropriately sized hex socket or wrench, tighten the screw to the required torque specification for the application.

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)16.0 - 18.0%
Nickel (Ni)10.0 - 14.0%
Molybdenum (Mo)2.0 - 3.0%

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1500°F (815°C)
Thermal Expansion
Typical for Material Class

Recommended Torque Values

Bolt SizeDry Torque (ft-lbs)Lubricated Torque (ft-lbs)
M24Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M24Varies by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedExcellent
Marine / SaltwaterExcellent
Chemical / AcidicGood

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Over-tightening the screw, leading to thread damage or material fatigue.Always adhere to the recommended torque specifications for the specific application and materials being joined. Utilize a calibrated torque wrench.
Using a screw of incorrect length or thread pitch for the application.Verify the required screw length and thread pitch match the dimensions of the mating components and the intended fastening goal.

Common Applications

  • Marine and offshore equipment
  • Chemical processing plants
  • Food and beverage industry machinery
  • Pharmaceutical manufacturing equipment
  • Outdoor structural applications

⚠️ Engineering Warnings

  • Always wear appropriate personal protective equipment (PPE) such as safety glasses when installing.
  • Ensure compatibility of the 316 stainless steel with the intended environment to prevent premature corrosion or degradation.

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, 316 Stainless Steel made from?

A: This Hex Head Cap Screw, 316 Stainless Steel is manufactured from 316 Stainless Steel.

Q: What are the main applications?

A: Marine and offshore equipment, Chemical processing plants, Food and beverage industry machinery, Pharmaceutical manufacturing equipment, Outdoor structural applications.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 51mmAF12mm1/2"-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.