Home > Fastening & Joining > Hex Head Cap Screw, Titanium Grade 5

Titanium Grade 5 M20x134mm Hex Cap Screw

Expert Overview

Engineered from high-performance Titanium Grade 5, this M20x134mm hex head cap screw offers exceptional strength-to-weight ratio and superior corrosion resistance, ideal for critical structural applications.

StandardASME B18
MaterialTitanium Grade 5
FinishAnodized
GradeN/A
SizeM20
Length134mm
Head Width31mm

Detailed Engineering Specifications

Designed for demanding industrial environments, this M20x134mm hex head cap screw is fabricated from Titanium Grade 5 (Ti-6Al-4V), an alpha-beta alloy renowned for its excellent tensile strength (up to 950 MPa), fatigue strength, and resistance to saltwater and most chemical environments. The M20 thread size ensures robust load-bearing capacity, while the 134mm length provides ample engagement for various assembly requirements. The 31mm hex head width allows for secure torque application with standard tooling, making it suitable for applications in aerospace, marine engineering, chemical processing, and high-performance automotive sectors where material integrity is 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 mating threads are clean and free from debris. 2. Apply a small amount of anti-seize compound if specified for the application. 3. Thread the cap screw by hand to avoid cross-threading. 4. Use a calibrated torque wrench to tighten the screw to the manufacturer's recommended torque specification, applying steady pressure.

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)
M20Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M20Varies 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 titanium screw, leading to thread stripping or yielding.Always use a calibrated torque wrench and adhere to the specified torque values for Titanium Grade 5 fasteners to prevent damage.
Using the wrong type of tool for tightening, which can damage the hex head.Utilize the correct size and type of wrench (e.g., a 6-point socket) that fits snugly on the hex head to ensure proper force distribution and prevent cam-out.

Common Applications

  • Aerospace structural components
  • Marine hardware and fittings
  • Chemical processing equipment
  • High-performance automotive assemblies

⚠️ Engineering Warnings

  • Titanium Grade 5 can gall under high friction; use appropriate lubrication or anti-seize compounds.
  • Ensure compatibility with mating materials to prevent galvanic corrosion in specific environments.

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, Chemical processing equipment, High-performance automotive assemblies.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 134mmAF31mm1/2"-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.