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M21x102mm Grade 5 Titanium Hex Head Cap Screw

Expert Overview

Engineered for high-performance environments, this M21x102mm hex head cap screw is crafted from robust Titanium Grade 5. Its exceptional strength-to-weight ratio and superior corrosion resistance make it ideal for critical fastening applications.

StandardASME B18
MaterialTitanium Grade 5
FinishAnodized
GradeN/A
SizeM21
Length102mm
Head Width9mm

Detailed Engineering Specifications

A proven choice for industrial professionals, this M21x102mm hex head cap screw is manufactured from Titanium Grade 5, renowned for its exceptional strength (tensile strength approx. 895 MPa) and outstanding corrosion resistance in aggressive environments. The M21 metric thread provides robust load-bearing capacity, while the 102mm length ensures adequate engagement in various structural assemblies. The 9mm head width offers controlled torque application with standard tooling. This combination of material and precise dimensions makes it suitable for aerospace, marine, chemical processing, and high-performance automotive sectors where weight reduction and longevity are 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 the mating threads are clean and free from debris. 2. Apply a suitable lubricant if specified for the application to ensure consistent torque. 3. Tighten the cap screw to the recommended torque specification using calibrated torque wrench, ensuring even 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)
M21Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M21Varies 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 leading to thread stripping or material fatigue.Always use a calibrated torque wrench and adhere to the manufacturer's or engineering specifications for the correct torque values.
Using incompatible tools that could damage the hex head.Utilize high-quality, correctly sized sockets or wrenches designed for hex heads to prevent cam-out and damage.

Common Applications

  • Aerospace structural components
  • Marine and offshore equipment
  • Chemical processing plants
  • High-performance automotive assemblies

⚠️ Engineering Warnings

  • Titanium Grade 5 can gall if not properly lubricated during installation, especially in high-stress threaded connections.
  • Ensure compatibility with mating materials to prevent galvanic corrosion, particularly in marine or chemically aggressive 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 and offshore equipment, Chemical processing plants, High-performance automotive assemblies.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 102mmAF9mm1/2"-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.