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Titanium Grade 5 M18x147mm Hex Cap Screw

Expert Overview

Engineered from aerospace-grade Titanium Grade 5, this M18x147mm hex head cap screw offers exceptional strength-to-weight ratio and superior corrosion resistance, ideal for high-stress industrial fastening.

StandardASTM A106
MaterialTitanium Grade 5
FinishAnodized
GradeN/A
SizeM18
Length147mm
Head Width14mm

Detailed Engineering Specifications

Designed for demanding industrial environments, this M18x147mm hex head cap screw is manufactured from Titanium Grade 5 (Ti-6Al-4V), renowned for its excellent tensile strength, fatigue resistance, and biocompatibility. The material's inherent corrosion resistance makes it ideal for applications exposed to harsh chemicals, saltwater, or extreme temperatures. With a nominal diameter of M18 and a length of 147mm, the screw features a precisely machined hex head with a width of 14mm, ensuring optimal torque transfer for secure and reliable assembly in aerospace, marine, chemical processing, and high-performance automotive sectors.

🧊 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 threaded mating surfaces and the screw threads to remove any contaminants. 2. Apply a suitable thread lubricant or anti-seize compound to the threads, if recommended for the specific application and materials being joined. 3. Insert the screw and engage the threads by hand, ensuring smooth engagement without cross-threading. 4. Tighten the screw to the manufacturer's specified torque using a calibrated torque wrench, applying gradual, even pressure.

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)
M18Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M18Varies 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
Cross-threading during initial engagement.Always start screw engagement by hand to ensure proper thread alignment and prevent damage to threads.
Over-tightening, leading to thread stripping or material fatigue.Utilize a calibrated torque wrench and adhere to the recommended torque specifications for the screw and mating materials.
Using incompatible lubricants or anti-seize compounds.Consult material compatibility charts or engineering specifications to select the appropriate lubricant for titanium fasteners.

Common Applications

  • Aerospace structural components
  • Marine and offshore equipment
  • Chemical processing and handling systems
  • High-performance automotive and motorsport
  • Medical implantable devices

⚠️ Engineering Warnings

  • Titanium Grade 5 can gall under high friction conditions; use appropriate lubrication or anti-seize compounds.
  • Ensure compatibility of mating materials to prevent galvanic corrosion.
  • Always use calibrated torque wrenches to avoid over-tightening and potential 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, 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 and offshore equipment, Chemical processing and handling systems, High-performance automotive and motorsport, Medical implantable devices.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 147mmAF14mm1/2"-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.