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M19x100mm 304 Stainless Steel Hex Cap Screw

Expert Overview

This M19x100mm hex head cap screw, crafted from premium 304 stainless steel, offers superior corrosion resistance and mechanical strength. Engineered for reliable fastening in challenging environments.

StandardASTM A106
Material304 Stainless Steel
FinishBlack Oxide
GradeN/A
SizeM19
Length100mm
Head Width35mm

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this M19x100mm hex head cap screw is manufactured from high-grade 304 stainless steel, renowned for its excellent tensile strength, ductility, and resistance to a wide range of corrosive media. The M19 nominal diameter, coupled with a 100mm length and a substantial 35mm head width, ensures robust load-bearing capabilities for critical assemblies. Its material composition makes it an ideal choice for applications exposed to moisture, chemicals, or elevated temperatures where galvanic corrosion is a concern. This fastener meets stringent industry standards for performance and durability in structural, automotive, and marine environments.

🧊 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 the mating threads are clean and free from debris. 2. Thread the M19x100mm hex head cap screw into the receiving component by hand for initial engagement. 3. Tighten the screw to the required torque specification using an appropriate wrench or socket, ensuring even pressure.

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
Over-tightening the screw, leading to thread stripping or material fatigue.Always adhere to the manufacturer's specified torque values for the M19 size and material. Use a calibrated torque wrench.
Using an incorrect tool size for the 35mm head width, potentially damaging the screw head or the tool.Utilize a properly sized socket or wrench (e.g., 35mm or equivalent fractional size) to ensure a secure grip and prevent cam-out.

Common Applications

  • Structural steel assembly
  • Marine and offshore equipment
  • Chemical processing plants

⚠️ Engineering Warnings

  • Ensure compatibility with mating threads; incorrect thread pitch can lead to failure.
  • For critical load-bearing applications, consult engineering specifications for appropriate torque and material suitability.

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 assembly, Marine and offshore equipment, Chemical processing plants.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 100mmAF35mm1/2"-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.