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M18x41mm Titanium Grade 5 Hex Head Cap Screw

Expert Overview

Engineered from aerospace-grade Titanium Grade 5, this M18x41mm hex head cap screw offers exceptional strength-to-weight ratio and superior corrosion resistance for critical applications.

StandardISO 9001
MaterialTitanium Grade 5
FinishPassivated
GradeN/A
SizeM18
Length41mm
Head Width27mm

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this M18x41mm hex head cap screw features a robust M18 nominal diameter and a 41mm length, ensuring secure fastening in demanding assemblies. The head boasts a 27mm width for optimal torque application with standard tooling. Constructed from Titanium Grade 5 (Ti-6Al-4V), it exhibits a minimum tensile strength of 895 MPa and a yield strength of 827 MPa, coupled with outstanding biocompatibility and resistance to saltwater, chemicals, and extreme temperatures. Ideal for aerospace, marine, medical implants, 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. Ensure the mating threads are clean and free of 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, then tighten using an appropriately sized wrench or socket to the manufacturer's recommended torque specification.

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
Over-tightening the screw, leading to thread stripping or material fatigue.Always adhere to the specified torque values for the material and application to prevent damage.
Using standard steel tools which can damage the titanium surface.Employ tools made from hardened steel or other suitable materials that will not mar the titanium.

Common Applications

  • Aerospace structural components
  • Marine hardware and fittings
  • High-performance automotive assemblies
  • Medical implant fixation

⚠️ Engineering Warnings

  • Titanium Grade 5 can gall if not properly lubricated or if over-torqued in certain conditions; use appropriate anti-seize compounds.
  • Ensure compatibility with mating materials, especially in corrosive environments, to prevent galvanic corrosion.

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 implant fixation.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 41mmAF27mm1/2"-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.