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M18x79mm Grade 5 Titanium Hex Head Cap Screw

Expert Overview

Engineered for extreme environments, this M18x79mm Grade 5 Titanium Hex Head Cap Screw offers unparalleled strength-to-weight ratio and superior corrosion resistance. Essential for critical load-bearing applications.

StandardASME B18
MaterialTitanium Grade 5
FinishPlain
GradeN/A
SizeM18
Length79mm
Head Width14mm

Detailed Engineering Specifications

A high-performance industrial component, this M18x79mm Hex Head Cap Screw is precision manufactured from Titanium Grade 5 (Ti-6Al-4V), renowned for its exceptional tensile strength, fatigue resistance, and biocompatibility. With a nominal diameter of M18 and a length of 79mm, it features a precisely machined M14 hex head for secure torque application. This material composition provides excellent performance in corrosive environments, at elevated temperatures, and under significant mechanical stress, making it ideal for aerospace, medical implants, marine, and chemical processing industries where failure is not an option.

🧊 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 or anti-seize compound if recommended for the specific application and materials. 3. Thread the cap screw into the designated hole, engaging at least 2-3 threads by hand before applying torque. 4. Tighten to the specified torque value using a calibrated torque wrench, ensuring even pressure and preventing 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)
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
Using excessive force leading to thread stripping or bolt fracture.Always use a calibrated torque wrench and adhere to recommended torque specifications for the thread size and engaged length.
Contaminating the threads with dirt, debris, or incompatible lubricants.Thoroughly clean mating threads and use only specified lubricants or anti-seize compounds compatible with titanium.

Common Applications

  • Aerospace structural components
  • Medical implants and surgical instruments
  • High-performance automotive engines and chassis

⚠️ Engineering Warnings

  • Titanium Grade 5 can gall if not properly lubricated, especially when mating with itself or certain other metals. Use appropriate anti-seize.
  • Do not exceed the recommended torque specifications, as this can lead to thread damage or bolt 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, Medical implants and surgical instruments, High-performance automotive engines and chassis.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 79mmAF14mm1/2"-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.