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M15 x 148mm Carbon Steel Hex Cap Screw

Expert Overview

Engineered for robust load-bearing applications, this M15 x 148mm carbon steel hex cap screw delivers superior tensile strength. Featuring a 24mm head width for optimal torque application, it ensures secure and reliable connections in demanding environments.

StandardDIN 933
MaterialCarbon Steel
FinishPlain
GradeN/A
SizeM15
Length148mm
Head Width24mm

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this M15 x 148mm hex head cap screw is constructed from high-grade carbon steel, offering excellent tensile and shear strength crucial for structural integrity. The metric coarse thread provides robust engagement, while the 24mm hex head allows for secure tightening with standard tooling. Its inherent hardness and resistance to deformation make it ideal for heavy-duty machinery, construction frameworks, and automotive assemblies where consistent performance under stress is paramount. Meets DIN 931 standards for dimensional accuracy and material composition.

🧊 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 socket or wrench for the 24mm hex head. 2. Ensure the mating threaded hole or nut is clean and free of debris. 3. Thread the cap screw into the assembly by hand initially to avoid cross-threading, then apply torque with a calibrated torque wrench to the specified value for the application.

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)
M15Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M15Varies 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
Using excessive force without a torque wrench, leading to over-tightening and potential thread stripping or component damage.Always use a calibrated torque wrench and adhere to the recommended torque specifications for the specific application and materials being joined.
Not ensuring the mating threads are clean, which can cause binding, reduced clamping force, and premature wear.Thoroughly clean both the cap screw threads and the receiving threads before installation. Consider using a thread lubricant if appropriate for the application.

Common Applications

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

⚠️ Engineering Warnings

  • Ensure the carbon steel material is appropriate for the operating environment to prevent corrosion if exposed to moisture or aggressive chemicals.
  • Always verify that the selected thread size and length are suitable for the intended load and joint design.

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 and suspension components.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 148mmAF24mm1/2"-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.