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M8 x 52mm 316 Stainless Steel Hex Cap Screw

Expert Overview

Engineered for superior corrosion resistance, this M8 x 52mm 316 stainless steel hex head cap screw offers robust performance. Ideal for marine, chemical, and food processing applications requiring high tensile strength.

StandardISO 9001
Material316 Stainless Steel
FinishGalvanized
GradeN/A
SizeM8
Length52mm
Head Width25mm

Detailed Engineering Specifications

Specified by design engineers worldwide, this M8 x 52mm hex head cap screw is manufactured from premium 316 stainless steel, a material renowned for its exceptional resistance to pitting and crevice corrosion, particularly in chloride-rich environments. The M8 nominal diameter, combined with a 52mm length, provides ample thread engagement for secure fastening. The substantial 25mm head width ensures a broad bearing surface, distributing load effectively and minimizing stress on the joined materials. This screw's inherent strength and biocompatibility make it a preferred choice for critical applications demanding long-term durability and reliability.

🧊 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. Hand-thread the cap screw to confirm proper alignment and prevent cross-threading. 3. Using an appropriate hex socket or wrench, tighten the cap screw to the specified torque value.

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)
M8Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M8Varies 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 excessive force leading to thread stripping or fastener breakage.Always refer to the manufacturer's torque specifications and use a calibrated torque wrench.
Using standard steel fasteners in corrosive environments, leading to premature rust and failure.Always select fasteners made from materials appropriate for the operating environment, such as 316 stainless steel for marine or chemical applications.

Common Applications

  • Marine hardware and deck fittings
  • Chemical processing equipment
  • Food and beverage processing machinery
  • Medical equipment
  • Outdoor architectural applications

⚠️ Engineering Warnings

  • Ensure compatibility with mating threads to avoid damage.
  • Do not overtighten, as this can compromise fastener integrity and joint strength.

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 deck fittings, Chemical processing equipment, Food and beverage processing machinery, Medical equipment, Outdoor architectural applications.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 52mmAF25mm1/2"-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.