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M18 x 94mm Aluminum 6061 Hex Cap Screw

Expert Overview

Engineered for demanding applications, this M18 x 94mm Hex Head Cap Screw from Aluminum 6061 offers superior corrosion resistance and a high strength-to-weight ratio. Ideal for joining components where durability and lightweight are paramount.

StandardASME B18
MaterialAluminum 6061
FinishPlain
GradeN/A
SizeM18
Length94mm
Head Width28mm

Detailed Engineering Specifications

Specified by design engineers worldwide, this Hex Head Cap Screw features a nominal M18 thread diameter and a total length of 94mm. The head boasts a precise 28mm width, ensuring compatibility with standard tooling for secure installation. Manufactured from Aluminum 6061-T6, it provides excellent mechanical properties including good tensile strength and fatigue resistance, coupled with exceptional corrosion resistance, making it suitable for environments where moisture or chemical exposure is a concern.

🧊 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 mating surfaces and threads. 2. Thread the M18 x 94mm cap screw by hand to ensure proper engagement. 3. Tighten using a calibrated torque wrench to the manufacturer's recommended torque value for Aluminum 6061, avoiding over-tightening.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASME B18

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)
M18Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M18Varies 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 screw, which can strip threads or deform the material.Utilize a torque wrench set to the appropriate specification for Aluminum 6061 to ensure consistent and secure fastening without damage.
Using incompatible thread locking compounds that can degrade Aluminum 6061.Consult material compatibility charts and use thread locking compounds specifically approved for use with aluminum alloys.

Common Applications

  • Aerospace structural components
  • Automotive chassis and body panels
  • Marine hardware and fittings

⚠️ Engineering Warnings

  • Aluminum 6061 has lower shear strength than steel; ensure application load requirements are met.
  • Galvanic corrosion can occur when in contact with dissimilar metals in corrosive environments. Consider isolation if necessary.

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 body panels, Marine hardware and fittings.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 94mmAF28mm1/2"-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.