Home > Fastening & Joining > Hex Head Cap Screw, Aluminum 6061

M15 x 115mm Aluminum 6061 Hex Cap Screw

Expert Overview

This M15 x 115mm Hex Head Cap Screw, crafted from robust Aluminum 6061, offers superior corrosion resistance and a high strength-to-weight ratio for demanding industrial applications.

StandardISO 9001
MaterialAluminum 6061
FinishZinc Plated
GradeN/A
SizeM15
Length115mm
Head Width30mm

Detailed Engineering Specifications

A proven choice for industrial professionals, this M15 x 115mm Hex Head Cap Screw is manufactured from high-grade Aluminum 6061-T6, known for its excellent corrosion resistance, good weldability, and moderate strength. The M15 thread size and 115mm length provide substantial fastening capacity, while the 30mm hex head ensures secure torque application with standard tooling. Its lightweight nature makes it ideal for applications where weight reduction is critical, without compromising structural integrity. This screw is engineered for reliability in environments ranging from marine and aerospace to general manufacturing and automotive assembly, offering a durable and lightweight fastening solution.

🧊 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. Clean both the screw threads and the mating tapped hole or nut to remove any debris or contaminants. 2. Apply a suitable lubricant or anti-seize compound to the threads if required by the application environment or material compatibility. 3. Insert the screw into the designated hole and engage the threads. Hand-tighten initially to ensure proper alignment and prevent cross-threading. 4. Using a calibrated torque wrench, tighten the screw to the specified torque value for the M15 thread size in Aluminum 6061, considering any applicable engineering standards or design specifications.

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)
M15Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M15Varies 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 aluminum fasteners, leading to thread stripping or material deformation.Always consult engineering specifications or torque charts for Aluminum 6061 and use a calibrated torque wrench to apply the correct tension.
Using the wrong tool size for the hex head, resulting in damaged fastener heads and difficulty in removal or tightening.Ensure the correct metric socket or wrench size (30mm for this specific screw) is used for proper engagement and torque application.
Not considering galvanic corrosion when joining Aluminum 6061 with dissimilar metals, especially in corrosive environments.Utilize appropriate isolation techniques, such as non-conductive washers or coatings, or select fasteners made from compatible materials when joining dissimilar metals.

Common Applications

  • Aerospace structural components
  • Marine equipment and fittings
  • Lightweight automotive assemblies
  • General industrial machinery and frames
  • Electronic enclosures

⚠️ Engineering Warnings

  • Aluminum 6061 has a lower tensile strength than steel fasteners; do not substitute in applications requiring high load-bearing capacity without engineering review.
  • Aluminum can be susceptible to galling; use anti-seize compounds or appropriate lubrication, especially in high-cycle or high-torque applications.
  • Avoid using abrasive cleaners or harsh chemicals that can degrade the aluminum surface and compromise its corrosion resistance.

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 equipment and fittings, Lightweight automotive assemblies, General industrial machinery and frames, Electronic enclosures.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 115mmAF30mm1/2"-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.