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M20 x 62mm Carbon Steel Hex Head Cap Screw

Expert Overview

A robust M20 x 62mm hex head cap screw engineered from high-grade carbon steel. This fastener delivers exceptional tensile strength and durability for critical industrial assemblies, ensuring secure and reliable load-bearing connections.

StandardDIN 933
MaterialCarbon Steel
FinishAnodized
GradeN/A
SizeM20
Length62mm
Head Width9mm

Detailed Engineering Specifications

A high-performance industrial component, this M20 x 62mm hex head cap screw is manufactured from premium carbon steel, offering superior tensile strength and resistance to deformation under significant load. The 9mm head width ensures optimal torque transfer for secure tightening. Its precise threading and durable material composition make it ideal for heavy machinery, structural assemblies, and demanding engineering projects where consistent performance and long-term reliability are paramount. This fastener meets stringent industrial standards for strength and dimensional accuracy.

🧊 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 or damage. 2. Insert the cap screw into the pre-drilled hole, engaging the threads. 3. Tighten the cap screw using an appropriate wrench, applying torque according to design specifications.

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)
M20Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M20Varies 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 the wrong size wrench, leading to head stripping or inadequate tightening.Always use a wrench that precisely fits the 9mm hex head to ensure proper torque application and prevent damage.
Over-tightening the screw, which can strip threads or deform the mating material.Adhere to the specified torque values for the application. Use a torque wrench for critical assemblies.
Not checking the mating threads for cleanliness or damage before installation.Inspect both the screw and the receiving threads for any contaminants, burrs, or cross-threading before assembly to ensure a smooth and secure engagement.

Common Applications

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

⚠️ Engineering Warnings

  • Ensure proper thread engagement to avoid cross-threading.
  • Use appropriate personal protective equipment (PPE) during installation.

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 aerospace components.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 62mmAF9mm1/2"-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.