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M9x88mm 304 Stainless Steel Hex Cap Screw | Industrial Grade

Expert Overview

Engineered for precision and durability, this M9 x 88mm hex head cap screw is forged from high-grade 304 stainless steel. Its robust construction ensures reliable performance in corrosive and high-stress industrial settings.

StandardDIN 933
Material304 Stainless Steel
FinishGalvanized
GradeN/A
SizeM9
Length88mm
Head Width20mm

Detailed Engineering Specifications

Designed for demanding industrial environments, this M9 x 88mm hex head cap screw offers exceptional tensile strength and corrosion resistance owing to its 304 stainless steel composition. With a nominal diameter of M9 and a substantial length of 88mm, it provides secure and extended fastening capabilities. The 20mm hex head width ensures optimal torque transfer with standard tooling, making it suitable for applications requiring robust structural integrity, such as heavy machinery assembly, marine environments, and chemical processing equipment.

🧊 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:Yes

Installation Procedure

1. Select the appropriate wrench or socket matching the 20mm head width. 2. Align the screw with the pre-tapped hole or nut. 3. Apply consistent torque to achieve desired clamping force, avoiding overtightening to prevent thread damage.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardDIN 933

Mechanical Properties

Tensile Strength75,000 psi (515 MPa)
Yield Strength30,000 psi (205 MPa)
Elongation in 2 in.40% min
HardnessRockwell B95 max

Chemical Composition

Carbon (C)0.08% max
Chromium (Cr)18.0 - 20.0%
Nickel (Ni)8.0 - 10.5%
Manganese (Mn)2.00% max

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1400°F (760°C)
Thermal Expansion
Typical for Material Class

Recommended Torque Values

Bolt SizeDry Torque (ft-lbs)Lubricated Torque (ft-lbs)
M9Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M9Varies by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedExcellent
Marine / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using the wrong size wrench, leading to cam-out and damaged fastener head.Always use a wrench or socket that precisely fits the 20mm hex head for optimal engagement and torque application.
Overtightening, which can strip threads or compromise material integrity.Adhere to torque specifications for the application; hand-tighten and then apply a controlled amount of additional torque.

Common Applications

  • Heavy Machinery Assembly
  • Marine and Offshore Structures
  • Chemical Processing Equipment
  • Food Grade Equipment
  • Outdoor and Corrosive Environments

⚠️ Engineering Warnings

  • Ensure compatibility with mating threads to prevent cross-threading or stripping.
  • For critical load-bearing applications, verify tensile strength requirements against the screw's rating.

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, 304 Stainless Steel made from?

A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.

Q: What are the main applications?

A: Heavy Machinery Assembly, Marine and Offshore Structures, Chemical Processing Equipment, Food Grade Equipment, Outdoor and Corrosive Environments.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 88mmAF20mm1/2"-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.