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M12 x 56mm 316 Stainless Steel Hex Cap Screw

Expert Overview

This M12 x 56mm hex head cap screw is engineered from premium 316 stainless steel, offering superior corrosion resistance and durability for demanding industrial applications.

StandardASTM A106
Material316 Stainless Steel
FinishAnodized
GradeN/A
SizeM12
Length56mm
Head Width16mm

Detailed Engineering Specifications

A high-performance industrial component, this M12 x 56mm hex head cap screw is manufactured from 316 stainless steel, renowned for its exceptional resistance to pitting and crevice corrosion in chloride-rich environments. The M12 nominal diameter ensures robust load-bearing capacity, while the 56mm length provides ample engagement for secure fastening. The 16mm hex head width is optimized for standard tooling, facilitating efficient installation and removal. This material is ideal for environments exposed to saltwater, chemicals, and elevated temperatures, ensuring long-term structural integrity.

🧊 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. Insert the hex head cap screw into the assembled components. 3. Tighten the screw using a correctly sized hex wrench or socket, applying appropriate torque as per engineering specifications.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASTM A106

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)
M12Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M12Varies by dimensionContact Sales

Corrosion Resistance Guide

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

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using the wrong size wrench, leading to fastener damage or inadequate torque.Always use a wrench or socket that precisely matches the head width of the cap screw to ensure proper engagement and prevent stripping.
Overtightening the fastener, which can lead to thread stripping or material fatigue.Adhere to recommended torque values based on the screw size, material, and application requirements. Utilize a torque wrench for critical applications.

Common Applications

  • Marine hardware and equipment
  • Chemical processing equipment
  • Food and beverage machinery
  • Offshore oil and gas components

⚠️ Engineering Warnings

  • Ensure compatibility of mating materials to prevent galvanic corrosion when dissimilar metals are used.
  • For critical load-bearing applications, verify the tensile and shear strength requirements against the screw's specifications.

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 hardware and equipment, Chemical processing equipment, Food and beverage machinery, Offshore oil and gas components.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 56mmAF16mm1/2"-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.