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M5 x 109mm Aluminum 6061 Hex Cap Screw

Expert Overview

This M5 x 109mm Hex Head Cap Screw, crafted from corrosion-resistant Aluminum 6061, offers exceptional strength-to-weight ratio. Its precise dimensions and durable material make it a reliable fastener for demanding industrial environments.

StandardASTM A106
MaterialAluminum 6061
FinishGalvanized
GradeN/A
SizeM5
Length109mm
Head Width27mm

Detailed Engineering Specifications

A proven choice for industrial professionals, this M5 x 109mm Hex Head Cap Screw is manufactured from Aluminum 6061, a widely utilized alloy known for its excellent corrosion resistance, good weldability, and moderate to high strength. The material exhibits a tensile strength typically around 310 MPa and a yield strength of approximately 276 MPa, making it suitable for applications where weight reduction is critical without compromising structural integrity. The substantial 27mm head width ensures adequate bearing surface for secure fastening, distributing load effectively. This screw is ideal for environments prone to moisture or corrosive agents, such as marine hardware, aerospace components, and automotive assemblies.

🧊 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 surfaces are clean and free from debris or contaminants. 2. Insert the M5 x 109mm Hex Head Cap Screw into the pre-drilled or tapped hole. 3. Tighten the screw using an appropriate hex wrench, applying torque in accordance with load requirements and material specifications. Avoid over-tightening to prevent stripping or damage to threads.

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)
M5Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M5Varies 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
Using a standard steel screw in a corrosive environment, leading to premature rust and failure.Always select fasteners made from materials like Aluminum 6061, stainless steel, or other corrosion-resistant alloys when assembling in environments exposed to moisture or chemicals.
Over-tightening the aluminum screw, which can strip the threads or deform the mating material.Utilize a torque wrench and consult engineering specifications for the correct tightening torque for Aluminum 6061 fasteners to ensure secure fastening without damage.

Common Applications

  • Marine hardware and equipment
  • Aerospace structural components
  • Automotive interior and exterior assemblies

⚠️ Engineering Warnings

  • Aluminum 6061 has a lower tensile strength than many steels; do not use in applications requiring extreme load-bearing capacity without proper engineering analysis.
  • While corrosion-resistant, prolonged exposure to certain aggressive chemicals may degrade Aluminum 6061. Verify material compatibility for specific environments.

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: Marine hardware and equipment, Aerospace structural components, Automotive interior and exterior assemblies.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 109mmAF27mm1/2"-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.