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M6 x 86mm 304 Stainless Steel Hex Head Cap Screw

Expert Overview

Engineered for superior performance, this M6 x 86mm hex head cap screw from 304 stainless steel offers exceptional corrosion resistance and robust tensile strength. Ideal for critical joints.

StandardISO 9001
Material304 Stainless Steel
FinishAnodized
GradeN/A
SizeM6
Length86mm
Head Width8mm

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this M6 x 86mm hex head cap screw is manufactured from premium 304 (A2) stainless steel, renowned for its outstanding resistance to corrosion, particularly in marine and chemical environments. The M6 thread provides reliable engagement for a secure fastening solution. With a nominal diameter of 6mm and a length of 86mm, it is designed to accommodate thicker materials or extended grip requirements. The 8mm hex head width ensures compatibility with standard tooling for efficient installation and removal, offering a torque transfer capability suitable for demanding structural and mechanical assemblies. Its non-magnetic properties and excellent durability make it a preferred choice for outdoor, food-grade, and high-humidity 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. Ensure the mating threads are clean and free of debris. 2. Hand-thread the screw to confirm proper alignment and engagement. 3. Tighten the screw using a calibrated torque wrench to the manufacturer's recommended specification, ensuring the hex head is fully engaged by the tool.

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)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)
M6Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M6Varies 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
Over-tightening the screw, leading to thread stripping or fastener failure.Always use a calibrated torque wrench and adhere to recommended torque values for the specific application and mating components.
Using the wrong size wrench, which can round off the hex head and make removal difficult.Utilize a wrench that precisely fits the 8mm hex head to ensure maximum contact and prevent damage.

Common Applications

  • Marine hardware and vessel construction
  • Outdoor structural framing and signage
  • Chemical processing equipment assembly
  • Food processing machinery

⚠️ Engineering Warnings

  • Always wear appropriate personal protective equipment (PPE) such as safety glasses and gloves during installation.
  • Verify material compatibility with the surrounding environment to prevent galvanic corrosion if dissimilar metals are used.

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: Marine hardware and vessel construction, Outdoor structural framing and signage, Chemical processing equipment assembly, Food processing machinery.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 86mmAF8mm1/2"-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.