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M23x94mm 316 Stainless Steel Hex Cap Screw | Corrosion Resistant

Expert Overview

This M23x94mm hex head cap screw, crafted from premium 316 stainless steel, offers exceptional corrosion resistance and robust mechanical strength. Engineered for reliable fastening in challenging environments.

StandardASME B18
Material316 Stainless Steel
FinishZinc Plated
GradeN/A
SizeM23
Length94mm
Head Width21mm

Detailed Engineering Specifications

Built to exacting engineering tolerances, this M23x94mm hex head cap screw features a nominal diameter of M23, a total length of 94mm, and a head width of 21mm. The material, 316 stainless steel, is renowned for its superior resistance to pitting and crevice corrosion, particularly in chloride-rich environments, due to its molybdenum content. This makes it an ideal choice for marine, chemical processing, food and beverage, and pharmaceutical industries where aggressive media and saltwater exposure are common. The hex head design allows for secure torque application with standard wrenches or sockets, ensuring a dependable and long-lasting connection in high-stress 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:Yes

Installation Procedure

1. Ensure the mating threads are clean and free from debris. 2. Thread the cap screw by hand to prevent cross-threading. 3. Tighten to the recommended torque specification using an appropriate hex wrench or socket, ensuring a secure and stable joint.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASME B18

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)16.0 - 18.0%
Nickel (Ni)10.0 - 14.0%
Molybdenum (Mo)2.0 - 3.0%

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1500°F (815°C)
Thermal Expansion
Typical for Material Class

Recommended Torque Values

Bolt SizeDry Torque (ft-lbs)Lubricated Torque (ft-lbs)
M23Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M23Varies by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedExcellent
Marine / SaltwaterExcellent
Chemical / AcidicGood

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using the wrong size wrench, leading to stripped hex head corners.Always use a properly sized hex wrench or socket that fits snugly to avoid damaging the head.
Over-tightening, which can lead to thread stripping or fastener failure.Adhere to the manufacturer's recommended torque specifications for the fastener and mating component.
Applying excessive force to a cross-threaded fastener.If resistance is met during initial threading, back out the fastener and inspect both it and the mating threads for damage or debris before re-attempting.

Common Applications

  • Marine and Offshore Equipment
  • Chemical Processing Plants
  • Food and Beverage Manufacturing
  • Pharmaceutical and Medical Devices
  • Wastewater Treatment Facilities

⚠️ Engineering Warnings

  • Ensure compatibility with the mating material to prevent galvanic corrosion.
  • Always use appropriate personal protective equipment (PPE) during installation.
  • Do not use in environments exceeding the material's temperature or chemical resistance limits.

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, 316 Stainless Steel made from?

A: This Hex Head Cap Screw, 316 Stainless Steel is manufactured from 316 Stainless Steel.

Q: What are the main applications?

A: Marine and Offshore Equipment, Chemical Processing Plants, Food and Beverage Manufacturing, Pharmaceutical and Medical Devices, Wastewater Treatment Facilities.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 94mmAF21mm1/2"-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.