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M16 x 69mm Aluminum 6061 Hex Cap Screw | Fastening

Expert Overview

This M16 x 69mm Hex Head Cap Screw, fabricated from robust Aluminum 6061, offers exceptional strength-to-weight ratio and superior corrosion resistance for critical fastening.

StandardASME B18
MaterialAluminum 6061
FinishGalvanized
GradeN/A
SizeM16
Length69mm
Head Width14mm

Detailed Engineering Specifications

Engineered for reliability and performance, this M16 x 69mm Hex Head Cap Screw utilizes the inherent advantages of Aluminum 6061 alloy. Renowned for its excellent corrosion resistance, moderate to high strength, and good machinability, 6061 is ideal for applications where weight reduction is paramount without compromising structural integrity. The precise M16 thread ensures secure engagement, while the 69mm length provides ample fastening depth. The 14mm head width is optimized for standard tooling, facilitating efficient assembly and disassembly in diverse industrial environments, including aerospace, marine, and automotive sectors requiring lightweight and durable solutions.

🧊 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. Verify mating threads are clean and free of debris. 2. Hand-thread the cap screw to engage threads fully and prevent cross-threading. 3. Use a calibrated torque wrench to tighten the cap screw to the manufacturer's specified torque value for Aluminum 6061 fasteners, ensuring proper preload and joint integrity.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASME B18

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Over-torquing Aluminum 6061 fasteners, which can strip threads or deform the material.Always use a calibrated torque wrench and adhere to the recommended torque specifications for Aluminum 6061.
Using the wrong size wrench on the hex head, leading to cam-out and potential damage to the fastener head.Ensure the wrench size precisely matches the 14mm head width for secure engagement.

Common Applications

  • Aerospace structural components
  • Automotive chassis and body panels
  • Marine equipment and fittings

⚠️ Engineering Warnings

  • Aluminum 6061 has a lower tensile strength than steel; select fasteners appropriately for load-bearing applications.
  • Avoid use in environments with highly aggressive chemicals or extreme temperatures that may degrade aluminum's properties.

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 chassis and body panels, Marine equipment and fittings.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 69mmAF14mm1/2"-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.