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M14 x 142mm 304 Stainless Steel Hex Cap Screw

Expert Overview

Engineered for robust performance, this M14 x 142mm Hex Head Cap Screw is crafted from high-grade 304 stainless steel, offering superior corrosion resistance and tensile strength for critical structural connections.

StandardISO 9001
Material304 Stainless Steel
FinishAnodized
GradeN/A
SizeM14
Length142mm
Head Width27mm

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this M14 x 142mm hex head cap screw features a nominal diameter of 14mm and an overall length of 142mm. The head measures 27mm across the flats, providing ample surface area for secure torque application with standard hex tools. Constructed from premium 304 stainless steel, it exhibits excellent resistance to a wide range of corrosive agents, including atmospheric conditions, many organic and inorganic chemicals, and food processing environments. Its high tensile strength ensures reliable load-bearing capacity in demanding structural, mechanical, and outdoor installations where durability and longevity 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. Ensure threads on both the screw and the mating component are clean and free from debris. 2. Apply appropriate lubricant if necessary, considering the application's environment and desired torque. 3. Engage the hex head with a properly sized socket or wrench, ensuring a secure fit to prevent cam-out. 4. Tighten the screw to the specified torque value for the application, using a calibrated torque wrench.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardISO 9001

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)
M14Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M14Varies 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 stripped hex heads and difficulty in tightening or removal.Always use a correctly sized socket or wrench that fits snugly onto the hex head to ensure efficient torque transfer and prevent damage.
Overtightening, which can lead to thread stripping, screw breakage, or damage to the mating material.Adhere to the recommended torque specifications for the application. Utilize a calibrated torque wrench for precise tightening.
Using standard carbon steel fasteners in corrosive environments, resulting in premature rust and component failure.Select 304 stainless steel or higher-grade stainless steel for applications exposed to moisture, chemicals, or saltwater environments.

Common Applications

  • Structural framing in marine and coastal environments
  • Industrial machinery and equipment assembly
  • Outdoor architectural and construction projects

⚠️ Engineering Warnings

  • Ensure compatibility of 304 stainless steel with the specific chemical or environmental exposure to prevent galvanic corrosion or stress corrosion cracking.
  • Always verify thread compatibility with the receiving component before installation to avoid cross-threading and damage.

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 framing in marine and coastal environments, Industrial machinery and equipment assembly, Outdoor architectural and construction projects.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 142mmAF27mm1/2"-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.