Home > Fastening & Joining > Hex Head Cap Screw, Carbon Steel

M19x146mm Carbon Steel Hex Cap Screw - Strong & Reliable

Expert Overview

This M19x146mm hex head cap screw, manufactured from robust carbon steel, provides exceptional strength and reliability for critical fastening applications. Its precise dimensions ensure secure and dependable connections in demanding environments.

StandardASTM A106
MaterialCarbon Steel
FinishZinc Plated
GradeN/A
SizeM19
Length146mm
Head Width26mm

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this M19x146mm hex head cap screw is forged from premium carbon steel, offering superior tensile and shear strength for critical load-bearing applications. The M19 thread standard ensures compatibility with a wide range of metric components. With a nominal diameter of 19mm and a length of 146mm, it provides ample engagement for robust connections. The 26mm hex head width facilitates secure tightening with standard tooling, ensuring consistent torque application and reliable structural integrity in demanding industrial, automotive, and construction 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 damage. 2. Insert the cap screw into the pre-drilled hole or nut. 3. Tighten the cap screw using an appropriate wrench or socket to the recommended torque specification for the application, ensuring a secure and stable joint.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASTM A106

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Chemical Composition

Carbon (C)0.28 - 0.55%
Manganese (Mn)0.60 - 0.90%
Phosphorus (P)0.04% max
Sulfur (S)0.05% max

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°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 / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using an undersized wrench, leading to cam-out and damaged fastener head.Always use a wrench or socket that precisely matches the 26mm head width to ensure optimal engagement and prevent damage.
Over-tightening the fastener, causing thread stripping or material deformation.Adhere to the manufacturer's recommended torque values for the specific application and material combination to prevent overstressing the fastener and mating components.

Common Applications

  • Heavy machinery assembly
  • Structural steel connections
  • Automotive chassis components

⚠️ Engineering Warnings

  • Ensure appropriate personal protective equipment (PPE) is worn during installation.
  • Verify compatibility with mating components to avoid cross-threading or stripping.

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, Carbon Steel made from?

A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.

Q: What are the main applications?

A: Heavy machinery assembly, Structural steel connections, Automotive chassis components.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 146mmAF26mm1/2"-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.