Home > Fastening & Joining > Hex Head Cap Screw, Aluminum 6061

M17x86mm Aluminum 6061 Hex Cap Screw | Fastening

Expert Overview

This M17x86mm Hex Head Cap Screw, crafted from high-strength Aluminum 6061, offers exceptional corrosion resistance and a lightweight profile for demanding applications.

StandardDIN 933
MaterialAluminum 6061
FinishZinc Plated
GradeN/A
SizeM17
Length86mm
Head Width21mm

Detailed Engineering Specifications

Built to exacting engineering tolerances, this M17x86mm Hex Head Cap Screw is manufactured from Aluminum 6061, a precipitation-hardened alloy renowned for its excellent strength-to-weight ratio and good formability. The material exhibits superior corrosion resistance, particularly in marine and atmospheric environments, making it ideal for structural assemblies where weight reduction is critical. With a nominal thread diameter of M17 and a length of 86mm, the screw features a standard hex head with a width of 21mm for secure torque application. Its Rockwell hardness is typically in the range of 78-95 HRB. This fastener is well-suited for applications in the aerospace, automotive, and marine industries.

🧊 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:N/A

Installation Procedure

1. Ensure mating threads are clean and free of debris. 2. Hand-thread the screw to verify alignment and prevent cross-threading. 3. Use a calibrated torque wrench to tighten to the specified torque value for Aluminum 6061 applications, typically 15-20% lower than steel fasteners.

Equivalent Standards (Cross-Reference)

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

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°C)
Thermal Expansion
Typical for Material Class

Recommended Torque Values

Bolt SizeDry Torque (ft-lbs)Lubricated Torque (ft-lbs)
M17Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M17Varies by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Over-tightening the screw, leading to thread stripping or material deformation.Always use a torque wrench and adhere to manufacturer-recommended torque specifications for Aluminum 6061 fasteners.
Using excessive force with power tools, potentially damaging the screw or mating material.Employ low-speed settings on power tools and finish tightening with a hand wrench to control torque accurately.

Common Applications

  • Aerospace structural components
  • Lightweight automotive assemblies
  • Marine hardware and fixtures

⚠️ Engineering Warnings

  • Aluminum 6061 has a lower tensile strength than steel; select appropriate fasteners for load-bearing applications.
  • Avoid using in high-temperature environments where aluminum alloys may lose significant 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, Aluminum 6061 made from?

A: This Hex Head Cap Screw, Aluminum 6061 is manufactured from Aluminum 6061.

Q: What are the main applications?

A: Aerospace structural components, Lightweight automotive assemblies, Marine hardware and fixtures.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 86mmAF21mm1/2"-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.