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M20 x 141mm Aluminum 6061 Hex Cap Screw

Expert Overview

Engineered for reliable performance, this M20 x 141mm Hex Head Cap Screw is crafted from durable Aluminum 6061. Its robust design and precise dimensions ensure secure fastening in critical industrial applications.

StandardISO 9001
MaterialAluminum 6061
FinishPassivated
GradeN/A
SizeM20
Length141mm
Head Width23mm

Detailed Engineering Specifications

A proven choice for industrial professionals, this M20 x 141mm Hex Head Cap Screw offers exceptional strength-to-weight ratio due to its Aluminum 6061 construction. This alloy provides excellent corrosion resistance and machinability, making it ideal for environments where weight reduction is a priority or galvanic corrosion is a concern. The M20 thread provides substantial load-bearing capacity, while the 141mm length offers versatile reach. The 23mm hex head width ensures compatibility with standard tooling for efficient installation and removal. Ideal for aerospace, automotive, and general manufacturing where performance and durability are paramount.

🧊 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 the threaded hole or nut is clean and free from debris. 2. Hand-thread the M20 x 141mm Aluminum 6061 Hex Head Cap Screw to ensure proper alignment and prevent cross-threading. 3. Use a torque wrench set to the manufacturer's recommended torque value for Aluminum 6061 fasteners of this size and grade to achieve optimal clamping force without over-stressing the material.

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)
M20Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M20Varies 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-torquing Aluminum 6061 fasteners, leading to thread stripping or material deformation.Always consult the torque specifications for Aluminum 6061 and use a calibrated torque wrench for accurate tightening.
Using the wrong thread pitch or diameter, resulting in an insecure or impossible connection.Confirm the M20 thread specification and ensure it matches the receiving thread before attempting installation.

Common Applications

  • Structural bonding in lightweight assemblies
  • Corrosion-resistant applications in marine environments
  • Automotive and aerospace component fastening

⚠️ Engineering Warnings

  • Aluminum 6061 has a lower tensile strength than steel; ensure it meets the load requirements of your application.
  • Avoid use in applications experiencing high cyclic loading or extreme shock without proper engineering analysis.

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: Structural bonding in lightweight assemblies, Corrosion-resistant applications in marine environments, Automotive and aerospace component fastening.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 141mmAF23mm1/2"-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.