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M23x49mm 316 Stainless Hex Cap Screw | Corrosion Resistant

Expert Overview

Engineered for demanding environments, this M23x49mm hex head cap screw is crafted from premium 316 stainless steel. It offers superior corrosion resistance and mechanical strength for critical fastening applications.

StandardDIN 933
Material316 Stainless Steel
FinishPlain
GradeN/A
SizeM23
Length49mm
Head Width25mm

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this M23x49mm hex head cap screw features a robust 316 stainless steel construction, renowned for its exceptional resistance to pitting and crevice corrosion in chloride-rich environments. The M23 nominal diameter ensures significant tensile strength, while the 49mm length provides ample thread engagement for secure assemblies. The 25mm head width, coupled with the hexagonal drive, allows for high torque application using standard tools, preventing stripping and ensuring reliable performance in marine, chemical processing, and food and beverage industries where hygiene and material integrity are paramount.

🧊 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. Hand-thread the cap screw into the designated hole to verify alignment and prevent cross-threading. 3. Tighten the cap screw to the recommended torque specification using an appropriate calibrated torque wrench, ensuring even pressure distribution.

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)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 excessive force without a torque wrench, leading to over-tightening and potential thread damage or fastener failure.Always use a calibrated torque wrench and adhere to the manufacturer's recommended torque values for the specific fastener size and material.
Using a standard steel tool on stainless steel fasteners, which can embed carbon steel particles, initiating corrosion.Utilize tools made of stainless steel or appropriate alloys to prevent galvanic corrosion and contamination.

Common Applications

  • Marine and offshore equipment assembly
  • Chemical processing plant infrastructure
  • Food and beverage processing machinery
  • Pharmaceutical manufacturing equipment

⚠️ Engineering Warnings

  • Ensure compatibility with mating components to avoid galvanic corrosion.
  • Always use appropriate personal protective equipment (PPE) during installation.

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 assembly, Chemical processing plant infrastructure, Food and beverage processing machinery, Pharmaceutical manufacturing equipment.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 49mmAF25mm1/2"-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.