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M12 x 32mm Carbon Steel Hex Cap Screw

Expert Overview

Engineered for demanding applications, this M12 x 32mm Hex Head Cap Screw offers exceptional strength and reliability. Constructed from high-grade carbon steel, it ensures secure and long-lasting connections in critical assemblies.

StandardDIN 933
MaterialCarbon Steel
FinishZinc Plated
GradeN/A
SizeM12
Length32mm
Head Width30mm

Detailed Engineering Specifications

A high-performance industrial component, this M12 x 32mm Hex Head Cap Screw is manufactured from premium carbon steel, offering superior tensile strength and durability for critical load-bearing applications. The precisely machined M12 thread pitch ensures a secure and dependable engagement with compatible nuts or tapped holes. With a robust 30mm hexagonal head, it facilitates high torque application using standard tooling, making it suitable for heavy machinery, structural assembly, and general industrial construction where resistance to vibration and shear forces is paramount. Its inherent material properties provide excellent resistance to 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. Select the appropriate sized wrench or socket for the 30mm hex head. 2. Ensure the mating threads (on the bolt hole or nut) are clean and free from debris. 3. Thread the cap screw into the designated fixture or nut by hand for the initial turns to prevent cross-threading. 4. Tighten the cap screw to the recommended torque specification using a calibrated torque wrench.

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
Cross-threading the screw during installation.Always start threading the cap screw by hand to ensure proper alignment before applying any mechanical force.
Overtightening the screw, leading to thread stripping or material fatigue.Utilize a calibrated torque wrench and adhere to manufacturer-specified torque values for the given thread size and material.
Using the wrong tool size, which can damage the hex head or lead to improper tightening.Always use a socket or wrench that precisely fits the 30mm hex head of the cap screw.

Common Applications

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

⚠️ Engineering Warnings

  • Ensure proper personal protective equipment (PPE) is worn during installation.
  • Do not exceed the recommended torque specifications to avoid component failure.
  • Verify material compatibility with the surrounding environment to prevent corrosion.

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, Industrial Equipment Manufacturing.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 32mmAF30mm1/2"-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.