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M13 x 123mm 316 Stainless Steel Hex Cap Screw

Expert Overview

Engineered for demanding environments, this M13 x 123mm Hex Head Cap Screw is crafted from superior 316 stainless steel. Its robust design ensures secure fastening and exceptional corrosion resistance in harsh conditions.

StandardASME B18
Material316 Stainless Steel
FinishAnodized
GradeN/A
SizeM13
Length123mm
Head Width22mm

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this M13 x 123mm Hex Head Cap Screw features a nominal diameter of M13, a substantial length of 123mm, and a head width of 22mm for optimal torque application. Constructed from marine-grade 316 stainless steel, it offers exceptional resistance to pitting, crevice corrosion, and general corrosion, particularly in chloride-rich environments. This material composition, with its higher nickel and molybdenum content, makes it the preferred choice for applications requiring long-term durability and integrity in aggressive chemical processing, marine infrastructure, and food 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 socket or wrench size for the M13 hex head. 2. Ensure mating threads are clean and free of debris. Apply lubricant if specified for the application to prevent galling. 3. Thread the cap screw into the designated hole, ensuring it engages properly. Tighten gradually to the specified torque using a calibrated torque wrench to achieve optimal clamping force without overstressing the fastener or the components.

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)
M13Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M13Varies 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 tool size, leading to head stripping.Always use a correctly sized socket or wrench that fits snugly on the hex head to prevent damage and ensure proper torque application.
Overtightening or undertightening the fastener, compromising joint integrity.Utilize a calibrated torque wrench and adhere to the recommended torque specifications for the specific application and materials being joined.
Not considering the environment when selecting stainless steel grade.Verify that 316 stainless steel is appropriate for the intended environment. While excellent, highly aggressive environments may necessitate even more specialized alloys.

Common Applications

  • Marine hardware and vessel construction
  • Chemical processing equipment and piping
  • Food and beverage processing machinery
  • Pharmaceutical manufacturing equipment
  • Offshore oil and gas platforms

⚠️ Engineering Warnings

  • Ensure compatibility of 316 stainless steel with specific chemicals or corrosive agents in your application.
  • Avoid prolonged contact with dissimilar metals in corrosive environments to prevent galvanic corrosion. Use isolating washers or coatings if necessary.

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 hardware and vessel construction, Chemical processing equipment and piping, Food and beverage processing machinery, Pharmaceutical manufacturing equipment, Offshore oil and gas platforms.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 123mmAF22mm1/2"-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.