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M18x84mm Grade 5 Titanium Hex Head Cap Screw

Expert Overview

This M18x84mm Hex Head Cap Screw, crafted from robust Titanium Grade 5, offers exceptional strength-to-weight ratio and superior corrosion resistance for critical fastening needs.

StandardASTM A106
MaterialTitanium Grade 5
FinishGalvanized
GradeN/A
SizeM18
Length84mm
Head Width12mm

Detailed Engineering Specifications

Engineered for reliability and performance, this M18x84mm Hex Head Cap Screw features a nominal diameter of 18mm and a thread length of 84mm. The head width across flats is precisely manufactured at 12mm, ensuring compatibility with standard tooling. Constructed from Titanium Grade 5 (Ti-6Al-4V), it exhibits a minimum tensile strength of 950 MPa and excellent resistance to chloride stress corrosion cracking, making it ideal for aerospace, marine, and high-performance automotive applications where weight reduction and extreme durability are paramount. Its inherent biocompatibility also makes it suitable for medical device assemblies.

🧊 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 if required by application conditions. 3. Tighten the cap screw to the manufacturer's specified torque 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 / ExposedExcellent
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 adhere to the recommended torque specifications for Titanium Grade 5 fasteners.
Using incompatible tools or applying uneven pressure to the hex head.Employ properly sized, high-quality wrenches to ensure a secure grip and prevent head damage.

Common Applications

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

⚠️ Engineering Warnings

  • Titanium can gall under extreme pressure; use anti-seize compound when necessary.
  • Ensure compatibility with mating materials 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 = 84mmAF12mm1/2"-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.