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M5x72mm Aluminum 6061 Hex Cap Screw

Expert Overview

Engineered from high-strength Aluminum 6061, this M5x72mm hex head cap screw offers exceptional corrosion resistance and a favorable strength-to-weight ratio. Ideal for applications requiring reliable, lightweight fastening.

StandardASTM A106
MaterialAluminum 6061
FinishPlain
GradeN/A
SizeM5
Length72mm
Head Width11mm

Detailed Engineering Specifications

Built to exacting engineering tolerances, this M5x72mm hex head cap screw features a nominal thread diameter of 5mm and a full length of 72mm. The head is designed with a 11mm hex width for secure torque application using standard tooling. Fabricated from Aluminum 6061-T6, it provides excellent machinability, weldability, and a good balance of strength and lightweight properties. Its inherent resistance to atmospheric corrosion makes it suitable for environments where moisture or mild chemicals are present, ensuring long-term performance in aerospace, automotive, and general industrial assemblies.

🧊 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 wrench or socket size (11mm) for the hex head. 2. Ensure the mating threads are clean and free of debris. 3. Thread the screw into the receiving component by hand initially to prevent cross-threading. 4. Apply consistent torque using the wrench, avoiding over-tightening to prevent stripping or material deformation.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASTM A106

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)
M5Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M5Varies 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
Using excessive torque, leading to stripped threads or fastener failure.Adhere to recommended torque specifications for Aluminum 6061 fasteners, generally lower than steel, to prevent damage.
Cross-threading the screw due to improper alignment during initial insertion.Always start threading the screw by hand for several turns to ensure proper engagement before applying any tools.

Common Applications

  • Lightweight structural assemblies
  • Aerospace components
  • Automotive interior and trim
  • Marine hardware
  • Electronic enclosures

⚠️ Engineering Warnings

  • Aluminum 6061 has a lower tensile strength than steel; ensure it meets the load requirements for your application.
  • Avoid use in highly corrosive environments or with strong acids/bases where aluminum may degrade.

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: Lightweight structural assemblies, Aerospace components, Automotive interior and trim, Marine hardware, Electronic enclosures.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 72mmAF11mm1/2"-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.