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M11x108mm Aluminum 6061 Hex Cap Screw | Fasteners

Expert Overview

This M11 x 108mm Hex Head Cap Screw, crafted from robust Aluminum 6061, offers superior corrosion resistance and a high strength-to-weight ratio. Ideal for aerospace, marine, and automotive applications requiring reliable, lightweight fastening.

StandardASTM A106
MaterialAluminum 6061
FinishGalvanized
GradeN/A
SizeM11
Length108mm
Head Width31mm

Detailed Engineering Specifications

Manufactured under strict quality controls, this M11 x 108mm Hex Head Cap Screw utilizes the widely recognized Aluminum 6061 alloy. This material offers excellent corrosion resistance, good weldability, and a commendable strength-to-weight ratio, making it suitable for environments where weight reduction is critical without compromising structural integrity. The nominal head width of 31mm ensures compatibility with standard M11 hex tooling. Its precise dimensions and alloy composition are verified to meet rigorous industry standards for performance and longevity in demanding applications.

🧊 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 into the designated hole, hand-tightening to start. 3. Torque to the manufacturer's recommended specification using an appropriate calibrated torque wrench, ensuring the head is seated firmly against the surface.

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)
M11Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M11Varies by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Over-torquing the aluminum screw, which can strip the threads or deform the mating surface.Always use a calibrated torque wrench and adhere to the specified torque values for Aluminum 6061 fasteners.
Using incompatible tooling that can damage the hex head, leading to difficulty in future adjustments.Utilize high-quality, correctly sized hex sockets or wrenches designed for metric fasteners.

Common Applications

  • Aerospace structural components
  • Marine hardware and fixtures
  • Automotive chassis and interior assemblies
  • Lightweight industrial machinery

⚠️ Engineering Warnings

  • Not intended for applications requiring high tensile strength or extreme temperature resistance.
  • Ensure compatibility with mating components; consider galvanic corrosion if used with dissimilar metals in a corrosive environment.

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, Marine hardware and fixtures, Automotive chassis and interior assemblies, Lightweight industrial machinery.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 108mmAF31mm1/2"-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.