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M12 x 112mm Carbon Steel Hex Cap Screw

Expert Overview

Engineered for robust performance, this M12 x 112mm hex head cap screw offers superior tensile strength and durability. Constructed from high-grade carbon steel, it ensures secure and long-lasting connections in critical applications.

StandardDIN 933
MaterialCarbon Steel
FinishGalvanized
GradeN/A
SizeM12
Length112mm
Head Width17mm

Detailed Engineering Specifications

Built to exacting engineering tolerances, this M12 x 112mm hex head cap screw features a nominal diameter of 12mm and a metric coarse thread pitch. The head is precisely machined to a 17mm width, allowing for optimal torque application with standard hex tooling. Manufactured from high-tensile carbon steel, it exhibits excellent yield and ultimate tensile strength, making it suitable for heavy-duty structural assemblies, machinery mounting, and general industrial fabrication where reliable load-bearing capacity is paramount. Surface hardness is optimized for resistance to galling and deformation under stress.

🧊 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 tapped hole or nut is clean and free of debris. 2. Insert the cap screw through the components to be joined. 3. Tighten the cap screw using an appropriate torque wrench to the recommended specification for the material and application, ensuring even pressure is applied.

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)
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 stripped threads or material deformation.Always use a torque wrench and adhere to the specified torque values for the application and materials being joined.
Using the wrong size or type of wrench, potentially damaging the hex head or failing to achieve proper torque.Utilize a correctly sized hex wrench or socket that fits snugly to apply consistent and effective torque.

Common Applications

  • Heavy machinery assembly
  • Structural steel fabrication
  • Automotive and transportation components

⚠️ Engineering Warnings

  • Ensure compatibility with mating components to avoid thread damage.
  • Apply appropriate thread locking compounds if vibration is a concern.

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 fabrication, Automotive and transportation components.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 112mmAF17mm1/2"-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.