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M4 x 27mm Aluminum 6061 Hex Cap Screw

Expert Overview

Engineered for demanding applications, this M4 x 27mm Aluminum 6061 Hex Head Cap Screw offers exceptional strength-to-weight ratio and superior corrosion resistance. Its robust design ensures secure and reliable fastening in diverse environments.

StandardDIN 933
MaterialAluminum 6061
FinishAnodized
GradeN/A
SizeM4
Length27mm
Head Width25mm

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this M4 x 27mm Hex Head Cap Screw is constructed from premium Aluminum 6061, a high-strength, heat-treatable alloy known for its excellent corrosion resistance and machinability. The M4 thread size conforms to international standards, ensuring compatibility with standard M4 nuts and tapped holes. With a length of 27mm and a generous 25mm head width, it provides ample bearing surface for even load distribution, reducing the risk of material deformation. This screw is ideal for applications where weight reduction and resistance to environmental degradation are critical.

🧊 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. Select the appropriate torque wrench calibrated for M4 fasteners. 2. Ensure mating threads are clean and free from debris. 3. Thread the M4 x 27mm Aluminum 6061 Hex Cap Screw into the designated receptacle until snug, then apply the specified torque.

Equivalent Standards (Cross-Reference)

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

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)
M4Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M4Varies 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 the aluminum threads or deform the mating surface.Use a torque wrench set to the manufacturer's recommended torque specification for M4 aluminum fasteners.
Using the wrong tool, leading to cam-out and damage to the hex head.Always use a properly sized hex bit or wrench that fits snugly into the screw head.

Common Applications

  • Aerospace and automotive components requiring weight reduction
  • Marine and outdoor equipment susceptible to corrosion
  • Electronics enclosures and fixtures where non-conductivity is beneficial

⚠️ Engineering Warnings

  • Aluminum 6061 has lower tensile strength compared to steel; do not exceed recommended torque limits.
  • Avoid using in applications with extreme shock or vibration without proper locking mechanisms.

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 and automotive components requiring weight reduction, Marine and outdoor equipment susceptible to corrosion, Electronics enclosures and fixtures where non-conductivity is beneficial.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 27mmAF25mm1/2"-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.