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M17 x 52mm 304 Stainless Steel Hex Head Cap Screw

Expert Overview

This M17 x 52mm hex head cap screw, crafted from durable 304 stainless steel, offers superior corrosion resistance and robust performance. Engineered for reliability in challenging environments, it ensures secure and long-lasting fastening.

StandardDIN 933
Material304 Stainless Steel
FinishPassivated
GradeN/A
SizeM17
Length52mm
Head Width20mm

Detailed Engineering Specifications

A proven choice for industrial professionals, this M17 x 52mm hex head cap screw is manufactured from high-grade 304 stainless steel, renowned for its excellent corrosion resistance against a wide range of chemicals and environments. The 20mm head width provides substantial bearing surface and torque transfer capability. With a nominal diameter of M17 and a length of 52mm, these screws are ideal for medium to heavy-duty structural applications, machinery assembly, and equipment mounting where strength, durability, and resistance to environmental degradation are 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. Select the appropriate tool, such as a socket wrench or adjustable wrench, with a size compatible with the 20mm hex head. 2. Engage the tool firmly onto the hex head and apply steady, controlled torque to drive the screw into the pre-tapped hole or mating component. 3. Tighten to the required torque specification, ensuring a secure and stable connection without over-tightening.

Equivalent Standards (Cross-Reference)

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

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)
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 / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using the wrong size wrench, leading to head stripping or inefficient torque application.Always use a wrench that precisely fits the 20mm hex head to ensure proper engagement and prevent damage.
Over-tightening the screw, which can lead to thread damage or fastener fatigue.Tighten to the specified torque using a calibrated torque wrench. Consult engineering drawings or fastener guides for appropriate torque values.

Common Applications

  • Structural steel connections
  • Heavy machinery assembly
  • Outdoor equipment mounting

⚠️ Engineering Warnings

  • Ensure the mating threads are clean and free of debris before installation.
  • For critical load-bearing applications, consult engineering specifications for proper fastener selection 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, 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: Structural steel connections, Heavy machinery assembly, Outdoor equipment mounting.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 52mmAF20mm1/2"-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.