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M12x144mm Aluminum 6061 Hex Cap Screw | Fastener

Expert Overview

This M12x144mm Hex Head Cap Screw, forged from high-strength Aluminum 6061, offers exceptional corrosion resistance and a superior strength-to-weight ratio for critical fastening needs.

StandardASME B18
MaterialAluminum 6061
FinishPlain
GradeN/A
SizeM12
Length144mm
Head Width20mm

Detailed Engineering Specifications

Engineered for reliability and performance, this M12x144mm Hex Head Cap Screw is manufactured from premium Aluminum 6061, a widely recognized alloy for its excellent mechanical properties and machinability. Exhibiting a tensile strength typically around 310 MPa and a yield strength near 276 MPa, this fastener provides robust joining capabilities while maintaining a lightweight profile, crucial for aerospace, automotive, and marine environments. The M12 nominal diameter ensures substantial load-bearing capacity, complemented by a 144mm length for versatile assembly depths. The 20mm head width facilitates secure torquing with standard tooling, ensuring precise and consistent joint integrity in applications demanding both strength and resistance to environmental degradation.

🧊 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 the mating threads are clean and free of debris. 2. Hand-thread the screw to confirm proper alignment and prevent cross-threading. 3. Utilize a calibrated torque wrench to tighten the screw to the specified torque value, avoiding over-tightening.

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
Using excessive force, leading to thread stripping or screw fracture.Always consult engineering specifications for the correct torque value and use a calibrated torque wrench.
Mating with damaged or incompatible threads.Visually inspect mating threads for damage or contamination before installation; ensure thread compatibility.

Common Applications

  • Aerospace structural components
  • Automotive chassis and body assembly
  • Marine hardware and fittings
  • Lightweight machinery and equipment

⚠️ Engineering Warnings

  • Aluminum 6061 exhibits lower tensile strength compared to steel fasteners; ensure suitability for the load requirements of the application.
  • Avoid exposure to highly alkaline or acidic environments which may compromise the corrosion resistance of Aluminum 6061 over extended periods.

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, Marine hardware and fittings, Lightweight machinery and equipment.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 144mmAF20mm1/2"-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.