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M12x144mm Aluminum 6061 Hex Cap Screw | Fasteners

Expert Overview

This M12x144mm Hex Head Cap Screw, crafted from robust Aluminum 6061, offers exceptional strength-to-weight ratio. Ideal for lightweight yet demanding structural applications where corrosion resistance is critical.

StandardASME B18
MaterialAluminum 6061
FinishBlack Oxide
GradeN/A
SizeM12
Length144mm
Head Width31mm

Detailed Engineering Specifications

A high-performance industrial component, this M12x144mm Hex Head Cap Screw is engineered from Aluminum 6061, a heat-treatable alloy known for its excellent corrosion resistance, good weldability, and moderate to high strength. The M12 nominal diameter ensures significant load-bearing capacity, complemented by a generous 144mm length for deep fastening needs. The substantial 31mm head width distributes clamping forces effectively, minimizing the risk of material deformation in softer substrates. This combination makes it suitable for aerospace, automotive, and general structural assembly requiring reliable, lightweight fastening 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. Ensure mating surfaces are clean and free from debris. 2. Insert the M12x144mm Hex Head Cap Screw through the aligned holes. 3. Tighten the screw using an appropriate wrench, applying torque according to the application's stress requirements.

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)
M12Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M12Varies 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 the screw, stripping the threads or damaging the mating material.Utilize a torque wrench and adhere to specified torque values for the application and material.
Using the wrong tool size for the hex head, leading to cam-out and fastener damage.Always use a correctly sized hex socket or wrench that fits snugly.

Common Applications

  • Aerospace structural components
  • Automotive chassis and body assembly
  • Lightweight machinery construction

⚠️ Engineering Warnings

  • Aluminum 6061 has a lower tensile strength than steel; do not substitute in high-stress applications without engineering verification.
  • Corrosion can occur in aggressive chemical environments; assess compatibility before deployment.

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 assembly, Lightweight machinery construction.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 144mmAF31mm1/2"-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.