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M18x77mm Titanium Grade 5 Hex Head Cap Screw

Expert Overview

Engineered for extreme performance, this M18x77mm Hex Head Cap Screw is crafted from high-strength Titanium Grade 5. It offers exceptional corrosion resistance and a superior strength-to-weight ratio for critical applications.

StandardASTM A106
MaterialTitanium Grade 5
FinishAnodized
GradeN/A
SizeM18
Length77mm
Head Width25mm

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this M18 x 77mm Hex Head Cap Screw is manufactured from Titanium Grade 5 (Ti-6Al-4V). This aerospace-grade alloy provides outstanding tensile strength, fatigue resistance, and excellent corrosion immunity in aggressive environments, making it ideal for applications demanding high performance and minimal weight. The 25mm head width ensures secure torque application with standard tooling. Its biocompatibility also makes it suitable for medical implant applications.

🧊 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 from debris. 2. Apply appropriate lubricant if recommended for the application. 3. Torque the screw to the manufacturer's specified value using a calibrated torque wrench.

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
Over-torquing, leading to thread stripping or screw fracture.Always use a calibrated torque wrench and adhere to recommended torque specifications.
Using incompatible fasteners in titanium applications, causing galvanic corrosion.Only use fasteners made from compatible materials, such as other titanium alloys or specific stainless steels, when mating with titanium.

Common Applications

  • Aerospace structural components
  • Marine hardware and exhaust systems
  • High-performance automotive and racing
  • Medical implants and surgical instrumentation
  • Chemical processing equipment

⚠️ Engineering Warnings

  • Titanium can gall under high pressure and low lubrication. Use anti-seize compound or appropriate lubricant.
  • Avoid cross-threading. Ensure proper alignment before applying torque.

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 exhaust systems, High-performance automotive and racing, Medical implants and surgical instrumentation, Chemical processing equipment.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 77mmAF25mm1/2"-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.