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

M17 x 38mm 316 Stainless Steel Hex Head Cap Screw

Expert Overview

This M17 x 38mm hex head cap screw, forged from superior 316 stainless steel, offers exceptional corrosion resistance and robust tensile strength for demanding applications.

StandardASME B18
Material316 Stainless Steel
FinishZinc Plated
GradeN/A
SizeM17
Length38mm
Head Width19mm

Detailed Engineering Specifications

Built to exacting engineering tolerances, this M17 x 38mm hex head cap screw features a precise M17 thread pitch and a 38mm shank length, ensuring seamless integration with M17 tapped holes or nuts. The substantial 19mm hex head provides ample surface area for torque application with standard M17 tools. Constructed from grade 316 stainless steel, it boasts superior resistance to pitting, crevice corrosion, and chloride attack, making it ideal for marine, chemical processing, and outdoor environments where atmospheric or liquid corrosives are present. Its inherent toughness ensures reliable performance under significant mechanical stress.

🧊 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 M17 wrench or socket for the 19mm hex head. 2. Ensure the mating M17 threaded component is clean and free of debris. 3. Thread the cap screw by hand to confirm proper engagement, then tighten to the specified torque using a calibrated torque wrench.

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)
M17Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M17Varies 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 during initial thread engagement, potentially cross-threading.Always start threading the screw by hand to verify alignment and prevent cross-threading.
Over-tightening, which can lead to thread stripping or fastener failure.Utilize a calibrated torque wrench and adhere to recommended torque specifications for M17 fasteners.

Common Applications

  • Marine hardware and structural components
  • Chemical processing equipment and piping
  • Outdoor architectural installations
  • Food processing machinery

⚠️ Engineering Warnings

  • Ensure compatibility of mating threaded components with 316 stainless steel to prevent galvanic corrosion.
  • Avoid abrasive cleaning methods that could damage the protective oxide layer of the stainless steel.

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 structural components, Chemical processing equipment and piping, Outdoor architectural installations, Food processing machinery.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 38mmAF19mm1/2"-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.