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M17 x 44mm 304 Stainless Steel Hex Cap Screw

Expert Overview

Engineered for superior performance, this M17 x 44mm hex head cap screw is constructed from premium 304 stainless steel. Offering exceptional corrosion resistance and tensile strength, it ensures reliable and long-lasting fastening in critical applications.

StandardDIN 933
Material304 Stainless Steel
FinishPassivated
GradeN/A
SizeM17
Length44mm
Head Width27mm

Detailed Engineering Specifications

Built to exacting engineering tolerances, this M17 x 44mm hex head cap screw features a nominal diameter of M17 and a shank length of 44mm. The head boasts a nominal width of 27mm, providing ample surface area for torque application with standard tooling. Manufactured from A2 (304) stainless steel, it exhibits excellent resistance to a wide range of corrosive media, including atmospheric conditions, many organic and inorganic chemicals, and foodstuffs. Its robust mechanical properties make it ideal for applications requiring high tensile and shear strength, as well as durability in harsh environments. The smooth, finished surface minimizes friction and galling during installation and operation.

🧊 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 size (27mm nominal). 2. Ensure the mating threads are clean and free of debris. 3. Engage the screw into the threaded hole or nut, applying steady rotational force. 4. Tighten to the specified torque value for the application, avoiding 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 an incorrect size wrench, leading to cam-out and potential damage to the fastener head.Always use a properly sized wrench or socket that fits snugly to the hex head for optimal torque transfer and fastener integrity.
Cross-threading the screw, causing damage to both the screw and the mating threads.Begin threading the screw by hand to ensure it engages the threads correctly before applying any torque.

Common Applications

  • Structural assembly in marine environments
  • Chemical processing equipment
  • Food and beverage machinery
  • Outdoor architectural elements

⚠️ Engineering Warnings

  • Ensure the load requirements of the application are met by the tensile and shear strength of this fastener.
  • While 304 stainless steel offers good corrosion resistance, avoid prolonged contact with chlorides or highly acidic environments which can lead to pitting or crevice corrosion.

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 assembly in marine environments, Chemical processing equipment, Food and beverage machinery, Outdoor architectural elements.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 44mmAF27mm1/2"-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.