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M12 x 146mm Carbon Steel Hex Cap Screw | Fastening

Expert Overview

Engineered for demanding industrial applications, this M12 x 146mm hex head cap screw offers exceptional strength and reliability. Crafted from high-grade carbon steel, it ensures secure and long-lasting connections.

StandardASTM A106
MaterialCarbon Steel
FinishZinc Plated
GradeN/A
SizeM12
Length146mm
Head Width13mm

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this M12 x 146mm hex head cap screw is constructed from premium carbon steel, offering superior tensile strength and shear resistance critical for structural integrity. The M12 nominal diameter, coupled with a 146mm effective length, ensures compatibility with a wide range of M12 threaded components. The 13mm nominal head width dictates the required wrench size for secure tightening, facilitating efficient assembly and disassembly in industrial machinery, construction projects, and heavy-duty equipment where consistent performance under load 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. 2. Insert the cap screw through the components to be joined. 3. Tighten the cap screw using an appropriately sized wrench, applying torque according to design specifications and material limits.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASTM A106

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)
M12Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M12Varies 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
Over-tightening the screw, leading to thread stripping or material fatigue.Adhere to specified torque values and consult material design limits.
Using a wrench that is not the correct size for the hex head, potentially damaging the head or leading to slippage.Utilize a 13mm wrench or the size explicitly recommended for M12 hex head fasteners.

Common Applications

  • Industrial Machinery Assembly
  • Structural Steel Connections
  • Heavy Equipment Manufacturing

⚠️ Engineering Warnings

  • Ensure the carbon steel material is suitable for the operating environment to prevent corrosion.
  • Verify that the tensile and shear strength of this fastener meet the load requirements of the application.

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: Industrial Machinery Assembly, Structural Steel Connections, Heavy Equipment Manufacturing.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 146mmAF13mm1/2"-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.