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M4 x 102mm Aluminum 6061 Hex Head Cap Screw

Expert Overview

Engineered for superior performance, this M4 x 102mm Hex Head Cap Screw in Aluminum 6061 offers exceptional strength-to-weight ratio and corrosion resistance for critical assembly tasks.

StandardASTM A106
MaterialAluminum 6061
FinishPassivated
GradeN/A
SizeM4
Length102mm
Head Width34mm

Detailed Engineering Specifications

A high-performance industrial component, this M4 x 102mm hex head cap screw is precision-manufactured from Aluminum 6061, a medium to high-strength alloy renowned for its excellent corrosion resistance and weldability. With a nominal diameter of M4 and a substantial length of 102mm, it provides robust fastening capabilities. The generous 34mm head width ensures optimal torque transfer and load distribution, making it ideal for applications requiring reliable and secure connections in environments where weight is a consideration or galvanic corrosion is a concern.

🧊 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. Insert the cap screw through the assembly components. 3. Tighten the cap screw using an appropriate hex wrench until the desired torque is achieved, avoiding over-tightening.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASTM A106

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)
M4Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M4Varies 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 stripped threads or material deformation.Adhere to recommended torque specifications for Aluminum 6061 fasteners to prevent damage.
Installing in corrosive environments without considering galvanic compatibility.Verify that Aluminum 6061 is suitable for the specific corrosive environment or use appropriate isolators if necessary.

Common Applications

  • Aerospace component assembly
  • Lightweight structural framing
  • Marine equipment fabrication

⚠️ Engineering Warnings

  • Aluminum 6061 has a lower tensile strength than many steel alloys; select fasteners appropriately for load-bearing requirements.
  • Avoid prolonged exposure to highly alkaline or acidic environments which can degrade aluminum.

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 component assembly, Lightweight structural framing, Marine equipment fabrication.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 102mmAF34mm1/2"-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.