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M8x131mm Titanium Grade 5 Hex Cap Screw

Expert Overview

Engineered from aerospace-grade Titanium Grade 5, this M8x131mm hex head cap screw offers exceptional strength-to-weight ratio and superior corrosion resistance for critical fastening solutions.

StandardASTM A106
MaterialTitanium Grade 5
FinishZinc Plated
GradeN/A
SizeM8
Length131mm
Head Width30mm

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this M8x131mm hex head cap screw is constructed from Titanium Grade 5 (Ti-6Al-4V), renowned for its outstanding tensile strength, low density, and excellent biocompatibility. The M8 thread size ensures robust engagement, while the 131mm length provides significant reach for assemblies. The 30mm hex head offers ample surface area for torque application with standard tools. Ideal for environments demanding high performance, such as aerospace, marine, medical implants, and high-performance automotive applications where weight reduction and extreme durability are paramount.

🧊 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 of debris. Apply a suitable anti-seize compound if required by the application. 2. Insert the M8x131mm Titanium Grade 5 hex head cap screw into the designated threaded hole or nut. 3. Tighten the screw to the manufacturer's specified torque using a calibrated torque wrench, ensuring even pressure distribution.

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)
M8Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M8Varies 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-tightening Titanium fasteners.Always use a calibrated torque wrench and adhere to recommended torque specifications to prevent stripping threads or damaging the fastener.
Using incompatible lubricants or thread lockers.Consult material compatibility charts and application-specific guidelines. Certain thread lockers can react with titanium. Use lubricants designed for titanium or as specified for the application.

Common Applications

  • Aerospace structural components
  • Marine hardware and fittings
  • High-performance automotive assemblies
  • Medical device manufacturing

⚠️ Engineering Warnings

  • Titanium Grade 5 can be susceptible to galling; use appropriate lubrication or anti-seize compounds.
  • Ensure correct thread pitch and diameter compatibility with the mating component to avoid cross-threading.

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, Titanium Grade 5 made from?

A: This Hex Head Cap Screw, Titanium Grade 5 is manufactured from Titanium Grade 5.

Q: What are the main applications?

A: Aerospace structural components, Marine hardware and fittings, High-performance automotive assemblies, Medical device manufacturing.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 131mmAF30mm1/2"-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.