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M24 x 142mm Aluminum 6061 Hex Head Cap Screw

Expert Overview

This M24 x 142mm Hex Head Cap Screw, crafted from high-strength Aluminum 6061, offers exceptional corrosion resistance and a superior strength-to-weight ratio. Engineered for reliable fastening in diverse environments.

StandardASME B18
MaterialAluminum 6061
FinishAnodized
GradeN/A
SizeM24
Length142mm
Head Width33mm

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this M24 x 142mm Hex Head Cap Screw is manufactured from Aluminum 6061, a precipitation-hardenable alloy known for its excellent corrosion resistance, weldability, and moderate strength. The M24 nominal diameter, 142mm length, and 33mm head width (across flats) meet stringent industry standards, ensuring precise fitment and consistent performance. Ideal for applications requiring a lightweight yet durable fastening solution, such as aerospace, automotive, marine, and structural components where weight reduction is critical.

🧊 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 threads are clean and free from debris. 2. Apply appropriate lubricant if specified for the application. 3. Thread the cap screw into the mating component by hand until snug. 4. Using a calibrated torque wrench, tighten to the manufacturer's recommended torque specification for Aluminum 6061 fasteners of this size, ensuring even pressure distribution.

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)
M24Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M24Varies 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 fastener, which can strip threads or compromise the integrity of the mating material.Always use a calibrated torque wrench and adhere to the specified torque values for Aluminum 6061 fasteners.
Using the wrong tool for installation, leading to damaged hex heads or improper torque application.Utilize the correct size and type of wrench or socket for the M24 hex head.
Ignoring the corrosive potential of dissimilar metals when fastening, leading to galvanic corrosion.When joining Aluminum 6061 to other metals, assess the galvanic compatibility and use appropriate isolation methods or coatings if necessary.

Common Applications

  • Aerospace structural components
  • Automotive chassis and body assemblies
  • Marine hardware and fittings
  • Lightweight machinery and equipment frames
  • Architectural and facade systems

⚠️ Engineering Warnings

  • Aluminum 6061 has lower tensile strength than many steel alloys; select fasteners and torque values appropriate for the load requirements.
  • Galvanic corrosion can occur when Aluminum 6061 is in direct contact with dissimilar metals in the presence of an electrolyte. Consider isolation techniques.
  • Not recommended for applications exceeding the material's temperature limits, as properties can 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: Aerospace structural components, Automotive chassis and body assemblies, Marine hardware and fittings, Lightweight machinery and equipment frames, Architectural and facade systems.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 142mmAF33mm1/2"-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.