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M19x44mm Carbon Steel Hex Head Cap Screw - Grade 8.8

Expert Overview

This M19x44mm Hex Head Cap Screw, forged from high-grade carbon steel, offers superior tensile strength and durability. Engineered for critical load-bearing applications, it ensures secure and reliable connections in demanding environments.

StandardDIN 933
MaterialCarbon Steel
FinishZinc Plated
GradeN/A
SizeM19
Length44mm
Head Width16mm

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this M19x44mm hex head cap screw is constructed from hardened carbon steel, typically meeting a minimum tensile strength of 800 MPa (for Grade 8.8). The M19 nominal diameter corresponds to a major thread diameter of 19mm, with a standard pitch of 2.5mm. The 44mm length is measured from the underside of the head to the tip of the thread. The hex head features a nominal width across flats of 16mm, designed to be engaged by standard M19 hex wrenches or sockets, facilitating accurate torque application. This robust design ensures exceptional shear and tensile strength, making it ideal for static and dynamic load applications where reliability is paramount.

🧊 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 or damage. 2. Select the appropriate hex wrench or socket for the 16mm head width. 3. Engage the screw and thread it into the receiving component, ensuring smooth engagement. 4. Apply torque according to the engineered specifications for the application, using a calibrated torque wrench if required.

Equivalent Standards (Cross-Reference)

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

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 the wrong size wrench, leading to stripped head corners.Always use a wrench or socket that precisely fits the 16mm head width to prevent damage.
Over-torquing, which can lead to thread stripping or fastener failure.Consult engineering drawings or torque charts for the correct torque value for the specific application and material.
Using a screw with damaged threads.Inspect the screw threads for any damage before installation. If damaged, replace the screw.

Common Applications

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

⚠️ Engineering Warnings

  • Always use appropriate personal protective equipment (PPE) during installation.
  • Ensure the fastener is rated for the intended load and environmental conditions. This carbon steel screw is not inherently corrosion-resistant and may require protective coatings or specific environmental considerations.

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 = 44mmAF16mm1/2"-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.