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M19x103mm Carbon Steel Hex Head Cap Screw

Expert Overview

This M19x103mm Hex Head Cap Screw, constructed from high-grade carbon steel, offers superior tensile strength and durability for critical structural and mechanical assemblies. Engineered for reliability.

StandardISO 9001
MaterialCarbon Steel
FinishAnodized
GradeN/A
SizeM19
Length103mm
Head Width10mm

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this M19x103mm Hex Head Cap Screw is manufactured from robust carbon steel, providing excellent shear and tensile strength for heavy-duty applications. The precise M19 thread ensures secure engagement with M19 nuts and tapped holes, while the 103mm length offers significant clamping reach. The standard hex head design allows for efficient torque application using common wrenches or socket sets, facilitating rapid and secure assembly in demanding industrial environments. Its material composition offers good wear resistance and load-bearing capacity.

🧊 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 calibrated to the manufacturer's recommended torque specification. 2. Ensure the mating threads (nut or tapped hole) are clean, free of debris, and properly aligned. 3. Thread the cap screw into the mating component by hand for the first few turns to prevent cross-threading, then apply torque using the wrench until the specified torque is achieved.

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-torquing the screw, leading to thread stripping or fastener breakage.Always consult the torque specifications for the specific application and use a calibrated torque wrench to avoid over-tightening.
Using a screw with insufficient length for the joint, resulting in poor clamping force and potential joint failure.Ensure the screw's length is adequate to engage the necessary number of threads in the mating component, typically requiring at least 1.5 times the screw diameter for full thread engagement.

Common Applications

  • Heavy machinery assembly
  • Structural steel frameworks
  • Automotive chassis construction

⚠️ Engineering Warnings

  • Ensure the carbon steel is compatible with the operating environment; corrosion resistance may be limited in highly acidic or saline conditions without protective coatings.
  • Always wear appropriate safety glasses and gloves during installation and handling.

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 frameworks, Automotive chassis construction.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 103mmAF10mm1/2"-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.