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M19 x 13mm 304 Stainless Steel Hex Cap Screw

Expert Overview

This M19 x 13mm hex head cap screw, crafted from corrosion-resistant 304 stainless steel, offers superior strength and durability. Its robust design ensures reliable fastening in a wide array of industrial and commercial applications.

StandardASTM A106
Material304 Stainless Steel
FinishZinc Plated
GradeN/A
SizeM19
Length13mm
Head Width18mm

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this M19 x 13mm hex head cap screw provides exceptional performance in corrosive environments. Manufactured from premium 304 stainless steel, it exhibits excellent resistance to rust and oxidation, ensuring long-term integrity. The 18mm head width allows for secure engagement with standard hex wrenches, facilitating efficient installation and removal. Its metric sizing adheres to international standards, making it a versatile choice for precision assemblies, structural connections, and marine applications where material degradation is a significant concern.

🧊 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 hex wrench (18mm) for the screw head. 2. Align the screw with the pre-tapped hole or nut. 3. Thread the screw in by hand to ensure proper engagement and prevent cross-threading. 4. Tighten the screw to the required torque specification using the hex wrench, ensuring a secure connection without over-stressing the material.

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)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)
M19Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M19Varies 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 hex wrench, leading to stripped head damage.Always confirm the correct wrench size (18mm) for the M19 hex head to prevent damage.
Over-tightening the screw, which can lead to thread stripping or material fatigue.Adhere to the recommended torque specifications for the application to ensure secure fastening without damage.
Using a non-stainless steel fastener in a corrosive environment, resulting in premature failure.Ensure 304 stainless steel fasteners are used in environments prone to moisture, salt, or chemical exposure.

Common Applications

  • Structural steel connections
  • Marine and offshore equipment
  • Food processing machinery
  • Chemical processing plants
  • Automotive assemblies

⚠️ Engineering Warnings

  • Ensure the mating thread (tap or nut) is also made of 304 stainless steel to prevent galvanic corrosion.
  • Always wear appropriate personal protective equipment (PPE) such as safety glasses and gloves during installation.

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, Marine and offshore equipment, Food processing machinery, Chemical processing plants, Automotive assemblies.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 13mmAF18mm1/2"-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.