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M12 x 52mm 316 Stainless Steel Hex Cap Screw

Expert Overview

Engineered for superior performance in demanding environments, this M12 x 52mm hex head cap screw is crafted from high-grade 316 stainless steel. Its robust construction ensures exceptional durability and corrosion resistance.

StandardASME B18
Material316 Stainless Steel
FinishPassivated
GradeN/A
SizeM12
Length52mm
Head Width29mm

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this M12 x 52mm hex head cap screw is constructed from premium 316 stainless steel, renowned for its exceptional resistance to corrosion, pitting, and crevice attack, particularly in chloride-rich environments. The M12 nominal diameter, 52mm effective length, and 29mm head width provide robust clamping force and secure fastening capabilities. This material offers excellent strength and fatigue resistance, making it suitable for applications requiring prolonged exposure to harsh chemicals, saltwater, and elevated temperatures. Its non-magnetic properties further enhance its suitability for sensitive applications. The hex head design allows for high torque application using standard tools.

🧊 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. Apply a suitable lubricant if required by the application to facilitate proper torque. 3. Tighten the screw to the specified torque value using an appropriate torque wrench and socket for the M12 size and 29mm head width.

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)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
Over-tightening, leading to thread stripping or component damage.Utilize a calibrated torque wrench and adhere to the manufacturer's recommended torque specifications for the M12 size and material.
Using the wrong size or type of wrench, potentially rounding the hex head.Employ a properly sized and high-quality socket or wrench that fully engages the 29mm hex head to prevent damage.
Improper material selection for the environment, leading to premature corrosion.Confirm that 316 stainless steel is appropriate for the specific corrosive elements present in the application environment.

Common Applications

  • Marine hardware and offshore equipment
  • Chemical processing and pharmaceutical manufacturing
  • Food and beverage industry equipment
  • Wastewater treatment facilities
  • Architectural applications exposed to coastal environments

⚠️ Engineering Warnings

  • Always wear appropriate safety glasses during installation and handling.
  • Ensure compatibility of mating components and thread types to prevent cross-threading and damage.

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 offshore equipment, Chemical processing and pharmaceutical manufacturing, Food and beverage industry equipment, Wastewater treatment facilities, Architectural applications exposed to coastal environments.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 52mmAF29mm1/2"-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.