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M13 x 50mm 304 Stainless Steel Hex Head Cap Screw

Expert Overview

This M13 x 50mm hex head cap screw, forged from high-grade 304 stainless steel, offers superior corrosion resistance and tensile strength. Its robust design ensures secure fastening in demanding environments.

StandardASME B18
Material304 Stainless Steel
FinishPassivated
GradeN/A
SizeM13
Length50mm
Head Width29mm

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this M13 x 50mm hex head cap screw features a 29mm head width, providing ample surface area for torque application. Constructed from 304 stainless steel, it exhibits excellent resistance to rust, corrosion, and pitting, making it ideal for environments exposed to moisture, chemicals, or saltwater. The material's inherent strength ensures reliable load-bearing capacity and long-term performance in applications requiring durability and structural integrity. Its metric thread profile ensures compatibility with standard metric nuts and tapped holes.

🧊 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 appropriate wrench or socket for the 29mm hex head. 2. Thread the M13 x 50mm screw into the mating component until snug. 3. Apply specified torque using a calibrated torque wrench to achieve secure fastening without over-tightening.

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)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)
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 / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using the wrong size wrench, leading to stripping the hex head.Always use a properly sized 29mm wrench or socket that fits snugly to prevent damage.
Over-tightening the screw, which can strip threads or damage the mating component.Use a calibrated torque wrench and adhere to recommended torque specifications for the application.

Common Applications

  • Marine hardware and shipbuilding
  • Chemical processing equipment
  • Food and beverage industry machinery
  • Outdoor structural assemblies

⚠️ Engineering Warnings

  • Ensure thread compatibility with mating components.
  • Avoid using abrasive cleaners that can scratch the stainless steel surface and compromise corrosion resistance.

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: Marine hardware and shipbuilding, Chemical processing equipment, Food and beverage industry machinery, Outdoor structural assemblies.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 50mmAF29mm1/2"-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.