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M13 x 18mm Aluminum 6061 Hex Cap Screw

Expert Overview

Engineered for demanding applications, this M13 x 18mm Hex Head Cap Screw is crafted from high-strength Aluminum 6061. Offering excellent corrosion resistance and a lightweight profile, it ensures reliable fastening in diverse industrial environments.

StandardISO 9001
MaterialAluminum 6061
FinishPassivated
GradeN/A
SizeM13
Length18mm
Head Width11mm

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this M13 x 18mm Hex Head Cap Screw is constructed from Aluminum 6061, a precipitation-hardenable alloy known for its excellent strength-to-weight ratio, good corrosion resistance, and weldability. The M13 thread provides robust engagement, while the 18mm length is suitable for moderate grip applications. The 11mm hex head width ensures secure tightening with standard tooling. This fastener is ideal for applications where weight reduction is critical without compromising structural integrity, such as in aerospace, automotive, and specialized machinery.

🧊 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 threads are clean and free from debris. 2. Insert the cap screw through the assembled components. 3. Tighten using an appropriate wrench to the recommended torque specification for Aluminum 6061 fasteners, avoiding over-tightening.

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)
M13Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M13Varies 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 torque, which can strip threads or damage the aluminum material.Consult torque charts specific to Aluminum 6061 fasteners and use a calibrated torque wrench.
Using the wrong size wrench, leading to head damage or improper tightening.Utilize a wrench that precisely fits the 11mm hex head for optimal engagement.

Common Applications

  • Aerospace structural components
  • Automotive interior and exterior trim
  • Lightweight machinery and equipment frames

⚠️ Engineering Warnings

  • Aluminum 6061 has lower tensile strength than steel; select fasteners appropriate for the load requirements.
  • Avoid use in highly corrosive environments without appropriate coatings or consideration of galvanic corrosion if paired with dissimilar metals.

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 interior and exterior trim, Lightweight machinery and equipment frames.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 18mmAF11mm1/2"-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.