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M16 x 72mm Carbon Steel Hex Cap Screw - Fastening

Expert Overview

This M16 x 72mm hex head cap screw, crafted from robust carbon steel, offers superior strength and reliability for critical fastening and joining applications in industrial environments.

StandardDIN 933
MaterialCarbon Steel
FinishGalvanized
GradeN/A
SizeM16
Length72mm
Head Width15mm

Detailed Engineering Specifications

A proven choice for industrial professionals, this M16 x 72mm hex head cap screw is engineered from high-grade carbon steel, providing exceptional tensile strength and durability. Its precise M16 thread size ensures secure engagement with corresponding nuts and tapped holes, while the 72mm length offers ample reach for various assembly requirements. The 15mm hex head width is optimized for standard wrench sizes, allowing for efficient and controlled tightening with a torque wrench, minimizing the risk of stripping. This fastener is ideal for applications requiring robust load-bearing capabilities and resistance to vibration and 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 threads are clean and free from debris. 2. Hand-thread the cap screw into the receiving component to confirm proper alignment and prevent cross-threading. 3. Apply appropriate torque using a calibrated wrench to the specified torque value for the application, ensuring the head is snug against the mating surface.

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)
M16Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M16Varies 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
Using the wrong size wrench, leading to stripping of the hex head.Always use a wrench that correctly fits the 15mm hex head width to ensure proper grip and torque application.
Over-torquing the fastener, potentially causing thread damage or material fatigue.Refer to engineering specifications or torque charts for the correct torque value for M16 carbon steel fasteners in your specific application and use a calibrated torque wrench.

Common Applications

  • Structural assembly in machinery and equipment
  • Automotive and heavy vehicle manufacturing
  • Construction and infrastructure projects

⚠️ Engineering Warnings

  • Ensure fastener material is compatible with the surrounding environment to prevent corrosion.
  • Always use appropriate personal protective equipment (PPE) when working with fasteners.

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: Structural assembly in machinery and equipment, Automotive and heavy vehicle manufacturing, Construction and infrastructure projects.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 72mmAF15mm1/2"-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.