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M19 x 133mm Carbon Steel Hex Cap Screw | Heavy Duty Fastener

Expert Overview

Engineered for exceptional load-bearing capacity, this M19 x 133mm Hex Head Cap Screw is constructed from robust carbon steel. It offers superior tensile strength and durability for critical structural connections in demanding environments.

StandardISO 9001
MaterialCarbon Steel
FinishAnodized
GradeN/A
SizeM19
Length133mm
Head Width22mm

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this M19 x 133mm hex head cap screw is forged from high-grade carbon steel, ensuring exceptional tensile strength and shear resistance. The M19 nominal diameter, coupled with a 133mm length, provides substantial grip and torque transmission. The 22mm head width facilitates secure fastening with standard hex tools. Its inherent material properties make it ideal for static and dynamic load-bearing assemblies where reliability and structural integrity are paramount. Suitable for use in temperatures up to [insert typical temp range for carbon steel, e.g., 300°C / 572°F] under appropriate lubrication and environmental conditions.

🧊 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 threads on both the screw and the mating component are clean and free from debris. 3. Apply a consistent and controlled tightening torque as specified for the application to achieve the desired clamping force.

Equivalent Standards (Cross-Reference)

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

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-tightening the screw, leading to thread stripping or material deformation.Utilize a calibrated torque wrench and adhere to recommended torque specifications to prevent over-stressing the fastener and mating components.
Using damaged or worn tools, resulting in cam-out and potential injury or fastener damage.Employ well-maintained, correctly sized sockets and wrenches to ensure proper engagement with the hex head and prevent slippage.

Common Applications

  • Heavy machinery assembly
  • Structural steel construction
  • Bridge and infrastructure projects

⚠️ Engineering Warnings

  • Requires appropriate torque control to prevent over-tightening and potential damage.
  • Carbon steel is susceptible to corrosion in moist or chemically aggressive environments; consider protective coatings or alternative materials if necessary.

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, Bridge and infrastructure projects.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 133mmAF22mm1/2"-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.