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

M19x80mm Aluminum 6061 Hex Cap Screw

Expert Overview

Engineered for demanding environments, this M19x80mm Aluminum 6061 Hex Head Cap Screw offers superior strength-to-weight ratio and excellent corrosion resistance for secure, reliable assembly.

StandardASTM A106
MaterialAluminum 6061
FinishGalvanized
GradeN/A
SizeM19
Length80mm
Head Width33mm

Detailed Engineering Specifications

A high-performance industrial component, this M19x80mm Hex Head Cap Screw is manufactured from Aluminum 6061, renowned for its excellent formability, weldability, and corrosion resistance, particularly in marine and industrial atmospheres. With a nominal diameter of M19, a shank length of 80mm, and a robust head width of 33mm, it provides substantial bearing surface area and torque transfer capability. Aluminum 6061's inherent lightweight nature makes it ideal for applications where weight reduction is critical without compromising structural integrity, such as in aerospace, automotive, and specialized machinery. Its good mechanical properties ensure it can withstand moderate tensile and shear loads in a wide range of operating conditions.

🧊 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 the mating threads are clean and free from debris. 2. Hand-thread the screw to confirm proper engagement and prevent cross-threading. 3. Tighten using a calibrated torque wrench to the manufacturer's recommended specification for Aluminum 6061 fasteners of this size.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASTM A106

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)
M19Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M19Varies 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.Always use a torque wrench and adhere to torque specifications for aluminum to prevent thread stripping or fastener deformation.
Using the wrong tool for head engagement.Utilize the correct size hex key or socket to ensure full engagement and prevent cam-out, which can damage the fastener head.

Common Applications

  • Aerospace structural components
  • Automotive chassis and body assembly
  • Marine hardware and fittings
  • High-end consumer electronics enclosures
  • Lightweight machinery frames

⚠️ Engineering Warnings

  • Aluminum 6061 is susceptible to galvanic corrosion when in direct contact with dissimilar metals in a conductive electrolyte. Use appropriate insulating washers or coatings where necessary.
  • Do not exceed the recommended torque values as this can lead to thread damage or fastener failure.

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 assembly, Marine hardware and fittings, High-end consumer electronics enclosures, Lightweight machinery frames.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 80mmAF33mm1/2"-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.