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

M16 x 17mm 316 Stainless Steel Hex Cap Screw | ASME B18

Expert Overview

Engineered for superior performance in corrosive environments, this M16 x 17mm hex head cap screw is constructed from robust 316 stainless steel for maximum durability and resistance to pitting and crevice corrosion.

StandardASME B18
Material316 Stainless Steel
FinishZinc Plated
GradeN/A
SizeM16
Length17mm
Head Width34mm

Detailed Engineering Specifications

Designed for demanding industrial environments, this M16 x 17mm hex head cap screw offers exceptional corrosion resistance due to its 316 stainless steel composition, making it suitable for marine, chemical processing, and food & beverage industries. The metric thread conforms to ASME B18 standards, ensuring reliable and precise assembly. With a 34mm head width, it provides ample surface area for torque application using standard tooling. Its compact 17mm length makes it ideal for applications requiring short thread engagement or where space is limited, ensuring a secure fastening solution against environmental degradation.

🧊 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 mating surfaces to ensure a debris-free connection. 2. Insert the cap screw through the assembled components. 3. Tighten the cap screw to the specified torque using an appropriate socket wrench, ensuring secure and reliable fastening.

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)
M16Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M16Varies 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-tightening the screw, which can lead to thread stripping or component damage.Always refer to torque specifications for the specific application and use a calibrated torque wrench.
Using the wrong size socket, which can round the hex head and prevent proper tightening or removal.Ensure the correct size socket (34mm head width) is used for application and removal.

Common Applications

  • Marine hardware and equipment
  • Chemical processing plants
  • Food and beverage manufacturing
  • Outdoor structural components

⚠️ Engineering Warnings

  • Ensure compatibility with mating materials to prevent galvanic corrosion.
  • For critical load-bearing applications, consult engineering specifications for appropriate grade and torque values.

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, compliant with ASME B18.

Q: What are the main applications for this Fastening & Joining?

A: Marine hardware and equipment, Chemical processing plants, Food and beverage manufacturing, Outdoor structural components.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 17mmAF34mm1/2"-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.