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M23x70mm Carbon Steel Hex Cap Screw | Fastening Solutions

Expert Overview

This M23x70mm Hex Head Cap Screw, constructed from high-strength carbon steel, provides superior clamping force and axial load resistance for critical structural and machinery connections.

StandardISO 9001
MaterialCarbon Steel
FinishPassivated
GradeN/A
SizeM23
Length70mm
Head Width14mm

Detailed Engineering Specifications

Specified by design engineers worldwide, this M23x70mm Hex Head Cap Screw is manufactured from premium carbon steel, offering excellent tensile strength and ductility for demanding applications. With a nominal diameter of M23, a grip length of 70mm, and a precisely machined 14mm head width, it ensures consistent torque transfer and secure fastening. The carbon steel composition provides inherent hardness and wear resistance, making it suitable for repeated assembly and disassembly cycles in general industrial, automotive, and construction environments where robust load-bearing capabilities are 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. Clean mating surfaces and threaded holes to remove debris. 2. Engage the cap screw by hand to ensure proper thread alignment. 3. Tighten the cap screw using an appropriately sized wrench or socket to the specified torque value, ensuring consistent pressure.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardISO 9001

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)
M23Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M23Varies 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
Over-tightening the screw, leading to thread stripping or fastener fracture.Utilize a calibrated torque wrench and adhere to manufacturer-recommended torque specifications for the fastener and mating material.
Using the wrong size wrench, which can round off the hex head and impede proper tightening.Always select a wrench or socket that precisely fits the 14mm hex head to ensure full engagement and prevent damage.

Common Applications

  • Structural Steel Connections
  • Heavy Machinery Assembly
  • Automotive Chassis Components

⚠️ Engineering Warnings

  • Ensure compatibility of the carbon steel screw with mating materials to prevent galvanic corrosion.
  • Apply appropriate lubrication or thread sealant as per application requirements to achieve optimal performance and prevent seizing.

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 Steel Connections, Heavy Machinery Assembly, Automotive Chassis Components.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 70mmAF14mm1/2"-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.