Home > Fastening & Joining > Hex Head Cap Screw, 316 Stainless Steel

M13x30mm 316 Stainless Steel Hex Cap Screw

Expert Overview

This M13x30mm hex head cap screw, crafted from superior 316 stainless steel, offers exceptional corrosion resistance and strength. Its precise dimensions and robust material make it ideal for critical fastening applications in harsh environments.

StandardASME B18
Material316 Stainless Steel
FinishPlain
GradeN/A
SizeM13
Length30mm
Head Width33mm

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this M13x30mm hex head cap screw features a nominal diameter of M13 and a length of 30mm. The head width measures 33mm, ensuring adequate bearing surface for secure tightening. Constructed from 316 stainless steel, it exhibits excellent resistance to pitting and crevice corrosion, particularly in chloride-rich environments. This makes it a preferred choice for marine, chemical processing, and food & beverage industries where elevated performance and longevity are paramount. The material's inherent strength and durability guarantee reliable fastening under demanding conditions, preventing premature failure and ensuring structural integrity.

🧊 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 for the M13 hex head. 2. Ensure the mating threads are clean and free of debris. 3. Apply consistent torque to achieve a secure fastening, avoiding over-tightening which could damage threads.

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 size wrench, leading to stripped head or incomplete engagement.Always use a wrench or socket that precisely fits the 33mm head width for optimal torque transfer.
Applying excessive torque, potentially causing thread stripping or material fatigue.Adhere to recommended torque specifications for M13 fasteners to ensure joint integrity without overstressing the components.

Common Applications

  • Marine hardware and shipbuilding
  • Chemical processing equipment
  • Food and beverage industry machinery
  • Outdoor and coastal construction

⚠️ Engineering Warnings

  • Ensure compatibility of mating materials to prevent galvanic corrosion, especially in marine environments.
  • For critical load-bearing applications, verify that the M13x30mm size and 316 stainless steel grade meet all structural requirements.

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 shipbuilding, Chemical processing equipment, Food and beverage industry machinery, Outdoor and coastal construction.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 30mmAF33mm1/2"-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.