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M17 x 77mm Aluminum 6061 Hex Cap Screw

Expert Overview

Engineered for robust assembly, this M17 x 77mm hex head cap screw is crafted from high-strength Aluminum 6061. Its corrosion resistance and lightweight properties make it ideal for critical industrial applications.

StandardASTM A106
MaterialAluminum 6061
FinishPlain
GradeN/A
SizeM17
Length77mm
Head Width28mm

Detailed Engineering Specifications

Designed for demanding industrial environments, this M17 x 77mm Aluminum 6061 Hex Head Cap Screw offers superior strength-to-weight ratio and excellent corrosion resistance. The Aluminum 6061 alloy provides good machinability and weldability, making it suitable for a wide range of structural and mechanical assemblies. With a nominal thread diameter of M17 and a length of 77mm, it ensures secure fastening. The hex head, measuring 28mm across flats, allows for efficient torque application with standard tooling, facilitating rapid and reliable assembly in sectors such as aerospace, automotive, and marine manufacturing.

🧊 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 from debris. 2. Hand-thread the cap screw into the receiving component to prevent cross-threading. 3. Tighten the cap screw to the manufacturer-specified torque using a calibrated torque wrench.

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)
M17Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M17Varies 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 aluminum screw, which can lead to thread stripping or material deformation.Utilize a calibrated torque wrench and adhere to the recommended torque values for Aluminum 6061 fasteners.
Using incompatible mating hardware, such as steel nuts or tapped holes, leading to galvanic corrosion.Always pair Aluminum 6061 fasteners with compatible materials like aluminum or approved plating to prevent galvanic corrosion.

Common Applications

  • Aerospace structural components
  • Automotive chassis and engine assemblies
  • Marine fittings and equipment

⚠️ Engineering Warnings

  • Aluminum 6061 has lower tensile strength than steel; select appropriate torque values to avoid overstressing.
  • Subject to galvanic corrosion when in direct contact with dissimilar metals, particularly in moist 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: Aerospace structural components, Automotive chassis and engine assemblies, Marine fittings and equipment.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 77mmAF28mm1/2"-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.