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

M18x113mm Titanium Grade 5 Hex Cap Screw

Expert Overview

Engineered for extreme environments, this M18x113mm Titanium Grade 5 hex head cap screw delivers exceptional strength, lightweight performance, and unparalleled corrosion resistance. Ideal for critical fastening in aerospace, marine, and chemical processing.

StandardISO 9001
MaterialTitanium Grade 5
FinishPlain
GradeN/A
SizeM18
Length113mm
Head Width26mm

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this M18x113mm Hex Head Cap Screw is manufactured from premium Titanium Grade 5 (Ti-6Al-4V). This alloy boasts a remarkable tensile strength and fatigue limit, coupled with excellent corrosion resistance in aggressive media, making it ideal for high-stress applications where weight reduction is critical. The M18 diameter and 113mm length provide substantial load-bearing capacity, while the 26mm hex head ensures secure torque application with standard tooling. Designed to meet stringent performance demands in aerospace, automotive, and medical device manufacturing.

🧊 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 of debris. 2. Apply a suitable lubricant or anti-seize compound to the threads, if recommended for the specific application. 3. Engage the screw by hand for the first few threads to prevent cross-threading. 4. Tighten the screw to the specified torque value using a calibrated torque wrench, applying even pressure.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardISO 9001

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 the screw by forcing it into the mating threads.Always start by engaging the screw by hand for at least two to three full rotations to ensure proper alignment before using tools.
Over-tightening the screw, leading to thread stripping or material fatigue.Utilize a calibrated torque wrench and adhere to the manufacturer's recommended torque specifications for the screw and mating material.
Using incompatible thread lubricants or anti-seize compounds that can compromise the titanium's integrity.Consult material compatibility charts and use lubricants specifically designed for titanium fasteners to prevent galling and ensure proper torque.

Common Applications

  • Aerospace structural components
  • Marine hardware and subsea equipment
  • High-performance automotive chassis and engine parts
  • Chemical processing plant equipment
  • Medical implantable devices (biocompatible)

⚠️ Engineering Warnings

  • Titanium Grade 5 can gall under high pressure and low speed. Proper lubrication and thread preparation are essential to prevent this.
  • Always use appropriate torque specifications to avoid over-stressing the fastener or mating threads.

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 subsea equipment, High-performance automotive chassis and engine parts, Chemical processing plant equipment, Medical implantable devices (biocompatible).

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 113mmAF26mm1/2"-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.