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

M19x36mm Carbon Steel Hex Head Cap Screw

Expert Overview

This M19x36mm hex head cap screw, crafted from robust carbon steel, offers superior tensile strength and durability for demanding industrial and mechanical assemblies. Its precise dimensions ensure secure and reliable fastening.

StandardASME B18
MaterialCarbon Steel
FinishBlack Oxide
GradeN/A
SizeM19
Length36mm
Head Width20mm

Detailed Engineering Specifications

Engineered for reliability and performance, this M19x36mm hex head cap screw is manufactured from high-grade carbon steel, offering excellent tensile strength and shear resistance for critical load-bearing applications. The M19 diameter and 36mm length, combined with a 20mm hex head width, provide substantial torque transfer capabilities for secure tightening. Its robust material composition ensures resistance to deformation under significant stress, making it ideal for heavy machinery, structural components, and automotive applications where consistent performance is paramount. Adherence to stringent manufacturing tolerances guarantees dimensional accuracy and interchangeability.

🧊 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 torque wrench and socket for the M19 hex head. 2. Ensure the mating threads are clean and free from debris. 3. Thread the cap screw into the pre-tapped hole or nut, applying the manufacturer-specified torque.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASME B18

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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Over-torquing the screw, leading to thread stripping or fastener breakage.Always consult and adhere to the recommended torque specifications for the specific application and materials being joined.
Using a worn or incorrect size socket, resulting in cam-out and damage to the hex head.Utilize a properly fitting, high-quality socket to ensure full engagement with the hex head for optimal torque transfer and fastener integrity.

Common Applications

  • Heavy machinery assembly
  • Structural steel construction
  • Automotive component mounting

⚠️ Engineering Warnings

  • Ensure appropriate personal protective equipment (PPE) is worn during installation.
  • Verify thread compatibility with the mating component before 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, 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 construction, Automotive component mounting.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 36mmAF20mm1/2"-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.