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M17x119mm 316 Stainless Steel Hex Cap Screw

Expert Overview

Engineered for demanding environments, this M17 x 119mm hex head cap screw is crafted from premium 316 stainless steel. It offers superior corrosion resistance and robust mechanical performance for critical fastening needs.

StandardASTM A106
Material316 Stainless Steel
FinishBlack Oxide
GradeN/A
SizeM17
Length119mm
Head Width31mm

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this M17 x 119mm hex head cap screw boasts a nominal diameter of 17mm and a length of 119mm, with a substantial 31mm head width for optimal torque transfer. Constructed from marine-grade 316 stainless steel, it exhibits exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, making it ideal for environments exposed to saltwater, chemicals, and elevated temperatures. Its high tensile strength ensures secure and reliable fastening in structural assemblies, machinery, and infrastructure projects where integrity is 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. Clean both the screw threads and the tapped hole or nut to remove any debris or contaminants. 2. Apply an appropriate thread lubricant or anti-seize compound if recommended for the specific application to facilitate proper torque and prevent galling. 3. Insert the screw into the mating component and engage the threads, ensuring smooth initial engagement. Tighten gradually to the specified torque value using a calibrated torque wrench, referencing relevant engineering drawings or torque charts.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASTM A106

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
Over-torquing the screw, leading to thread stripping or fastener failure.Always use a calibrated torque wrench and adhere to recommended torque specifications for the fastener size and material.
Using the wrong size or type of tool, which can damage the hex head and impede proper tightening.Utilize a properly sized and high-quality hex socket or wrench that fully engages the screw head to ensure even force distribution.
Failing to clean threads before installation, potentially causing galling or incorrect torque readings.Thoroughly clean both the screw threads and the receiving threads to ensure a smooth and accurate fastening process.

Common Applications

  • Marine hardware and shipbuilding
  • Chemical processing equipment
  • Offshore oil and gas platforms
  • Food processing machinery
  • Structural steel connections in corrosive environments

⚠️ Engineering Warnings

  • Ensure the mating threads are compatible and of sufficient strength to support the applied load.
  • Avoid using this fastener in applications exceeding its specified tensile strength or temperature limits.
  • Regularly inspect fasteners in critical applications for signs of corrosion or fatigue.

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, Offshore oil and gas platforms, Food processing machinery, Structural steel connections in corrosive environments.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 119mmAF31mm1/2"-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.