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M6 x 42mm Aluminum 6061 Hex Cap Screw

Expert Overview

This M6 x 42mm Hex Head Cap Screw, crafted from high-strength Aluminum 6061, offers a superior balance of weight and durability. Its corrosion resistance makes it ideal for demanding environments.

StandardASME B18
MaterialAluminum 6061
FinishPassivated
GradeN/A
SizeM6
Length42mm
Head Width19mm

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this M6 x 42mm Hex Head Cap Screw is manufactured from premium Aluminum 6061 alloy, renowned for its excellent strength-to-weight ratio and superior corrosion resistance, particularly in marine and atmospheric environments. The 19mm hex head provides ample surface area for torque application with standard tooling. This fastener is designed for applications requiring lightweight solutions without compromising structural integrity, such as in aerospace assemblies, automotive chassis components, and marine hardware.

🧊 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 verify alignment and prevent cross-threading. 3. Tighten using an appropriate hex wrench or socket to the recommended torque specification for Aluminum 6061 fasteners.

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)
M6Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M6Varies 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.Adhere strictly to the manufacturer-specified torque values for Aluminum 6061, utilizing a calibrated torque wrench.
Using the wrong type of lubricant, which can affect torque readings and fastener performance.Employ lubricants specifically recommended for aluminum fasteners or consult material compatibility charts.

Common Applications

  • Aerospace structural components
  • Automotive body and chassis assemblies
  • Marine hardware and fittings

⚠️ Engineering Warnings

  • Aluminum 6061 is susceptible to galvanic corrosion when in direct contact with dissimilar metals in the presence of an electrolyte. Use appropriate isolation methods.
  • Do not use in applications exceeding the material's tensile strength or operating temperature limits without engineering consultation.

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 body and chassis assemblies, Marine hardware and fittings.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 42mmAF19mm1/2"-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.