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

M16 x 17mm Aluminum 6061 Hex Cap Screw - Lightweight Strength

Expert Overview

Engineered for high-performance assembly, this M16 x 17mm Hex Head Cap Screw from Aluminum 6061 offers exceptional strength-to-weight ratio and superior corrosion resistance for critical applications.

StandardISO 9001
MaterialAluminum 6061
FinishPassivated
GradeN/A
SizeM16
Length17mm
Head Width8mm

Detailed Engineering Specifications

Built to exacting engineering tolerances, this M16 x 17mm Aluminum 6061 Hex Head Cap Screw features a nominal diameter of M16 and a grip length of 17mm. The head exhibits a hex width of 8mm, ensuring reliable torque transfer with standard tooling. Fabricated from Aluminum Alloy 6061-T6, it provides a robust combination of moderate to high strength, excellent corrosion resistance, and good formability. This material's inherent lightweight properties make it ideal for aerospace, automotive, and marine environments where weight reduction is paramount without compromising structural integrity. The precise dimensions guarantee secure and repeatable fastenings in demanding environments.

🧊 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. Select the appropriate torque wrench and socket size for the M16 hex head. 2. Ensure the mating threads are clean and free from debris or damage. 3. Apply the specified torque to the cap screw, ensuring even tightening across multiple fasteners if used in a pattern.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardISO 9001

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)
M16Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M16Varies by dimensionContact Sales

Corrosion Resistance Guide

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

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Over-tightening Aluminum 6061 screws, leading to stripped threads or material deformation.Adhere to the recommended torque specifications for Aluminum 6061 fasteners to prevent damage and ensure joint integrity.
Using the wrong size socket, resulting in cam-out and damage to the hex head.Always use a properly sized and well-fitting socket for the 8mm hex head to ensure positive engagement and prevent slippage.

Common Applications

  • Aerospace structural components
  • Automotive interior and exterior trim
  • Marine hardware and fittings
  • Lightweight machinery and equipment frames

⚠️ Engineering Warnings

  • Aluminum 6061 is not suitable for high-temperature applications where strength degradation may occur.
  • While corrosion resistant, prolonged exposure to aggressive chemicals may impact material integrity.

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, Automotive interior and exterior trim, Marine hardware and fittings, Lightweight machinery and equipment frames.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 17mmAF8mm1/2"-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.