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M17 x 128mm Aluminum 6061 Hex Cap Screw

Expert Overview

Engineered for superior performance, this M17 x 128mm Hex Head Cap Screw is manufactured from robust Aluminum 6061. Its precise dimensions and high-strength alloy make it ideal for critical fastening applications.

StandardISO 9001
MaterialAluminum 6061
FinishBlack Oxide
GradeN/A
SizeM17
Length128mm
Head Width33mm

Detailed Engineering Specifications

A high-performance industrial component, this M17 x 128mm Hex Head Cap Screw is precision-machined from Aluminum 6061, a widely recognized alloy for its excellent strength-to-weight ratio, good corrosion resistance, and weldability. The M17 nominal diameter and 128mm length provide significant clamping force, while the 33mm hex head width ensures optimal torque application with standard tooling. This fastener is well-suited for environments where weight reduction is paramount without compromising structural integrity, commonly found in aerospace, automotive, and specialized machinery 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 mating surfaces are clean and free of debris. 2. Thread the screw into the designated hole by hand for the initial few turns to prevent cross-threading. 3. Tighten the screw to the specified torque value using an appropriate hex driver, ensuring even pressure distribution.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardISO 9001

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
Using excessive force, leading to thread stripping or fastener failure.Always consult and adhere to the manufacturer's recommended torque specifications for this fastener and material combination.
Cross-threading the fastener due to misalignment during initial engagement.Hand-thread the screw for at least 2-3 full turns before applying any tooling to confirm proper thread alignment.

Common Applications

  • Structural assembly in lightweight machinery
  • Aerospace component fastening
  • Corrosion-resistant marine applications

⚠️ Engineering Warnings

  • Aluminum 6061 may have lower tensile strength compared to steel fasteners; select based on load requirements.
  • Avoid over-torquing, as this can damage the aluminum threads or the fastener itself.

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: Structural assembly in lightweight machinery, Aerospace component fastening, Corrosion-resistant marine applications.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 128mmAF33mm1/2"-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.