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M5 x 139mm Titanium Grade 5 Hex Cap Screw

Expert Overview

Engineered for superior performance, this M5 x 139mm Hex Cap Screw is crafted from high-strength Titanium Grade 5. Its exceptional corrosion resistance and lightweight properties make it ideal for critical applications where reliability is paramount.

StandardASME B18
MaterialTitanium Grade 5
FinishPlain
GradeN/A
SizeM5
Length139mm
Head Width12mm

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this M5 x 139mm Hex Head Cap Screw is manufactured from Aerospace-grade Titanium Grade 5 (Ti-6Al-4V), offering an unparalleled strength-to-weight ratio and excellent resistance to corrosion and fatigue. The M5 thread provides secure fastening in a compact profile, while the 139mm length ensures sufficient engagement. The robust 12mm hex head facilitates torque application with standard tooling, making it suitable for demanding environments such as aerospace, marine, medical implants, and high-performance automotive assemblies.

🧊 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 thoroughly to remove debris or lubricants that could affect torque values. 2. Hand-thread the screw to ensure proper alignment and prevent cross-threading. 3. Using a calibrated torque wrench, tighten the screw to the manufacturer's specified torque value for M5 Grade 5 Titanium fasteners, 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)
M5Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M5Varies 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
Using excessive force without a torque wrench, leading to thread stripping or fastener failure.Always use a calibrated torque wrench and adhere to the recommended torque specifications for Titanium Grade 5 fasteners.
Introducing contaminants like dirt or oil to the threads before installation, which can alter torque readings and compromise joint integrity.Ensure all mating surfaces and threads are clean and free of any foreign material prior to assembly.

Common Applications

  • Aerospace structural components
  • Marine equipment and fittings
  • High-performance automotive assemblies
  • Medical device manufacturing
  • Corrosive environment applications

⚠️ Engineering Warnings

  • Titanium Grade 5 is a high-strength material; over-torquing can lead to premature failure. Always consult torque specifications.
  • Ensure compatibility with mating materials to prevent galvanic corrosion. Use appropriate washers 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, 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 equipment and fittings, High-performance automotive assemblies, Medical device manufacturing, Corrosive environment applications.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 139mmAF12mm1/2"-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.