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M4 x 112mm Carbon Steel Hex Head Cap Screw

Expert Overview

This M4 x 112mm Hex Head Cap Screw, crafted from robust carbon steel, offers exceptional tensile strength and durability for critical fastening needs. Its precisely formed head ensures secure engagement with standard tools.

StandardASTM A106
MaterialCarbon Steel
FinishBlack Oxide
GradeN/A
SizeM4
Length112mm
Head Width15mm

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this M4 x 112mm Hex Head Cap Screw features a nominal diameter of 4mm and a substantial 112mm length, providing extended reach for deep connections. The head boasts a 15mm width, enabling efficient torque application with standard hex wrenches. Constructed from high-grade carbon steel, it exhibits superior tensile strength and hardness, making it ideal for load-bearing assemblies and applications requiring a secure, permanent joint. The standardized M4 thread pitch ensures compatibility with a wide range of metric nuts and tapped holes, guaranteeing reliable performance in industrial and manufacturing environments.

🧊 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 tool (e.g., hex wrench) that matches the 15mm head width. 2. Insert the M4 x 112mm cap screw into the pre-drilled or tapped hole, ensuring full thread engagement. 3. Tighten the screw to the required torque specification for the application, verifying a secure and stable connection.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASTM A106

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)
M4Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M4Varies 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 an undersized or oversized tool, leading to stripped head or inadequate torque.Always use a hex wrench or socket that precisely fits the 15mm head width for optimal force transfer and fastener integrity.
Cross-threading the screw, resulting in damaged threads and a compromised joint.Carefully align the screw with the mating thread and initiate tightening by hand for several turns before using a tool.

Common Applications

  • Machinery and equipment assembly
  • Structural components in manufacturing
  • Deep fastening applications requiring extended reach

⚠️ Engineering Warnings

  • Ensure the carbon steel material is appropriate for the operating environment to prevent corrosion.
  • Do not exceed the recommended torque limits for the specific application to avoid fastener failure.

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: Machinery and equipment assembly, Structural components in manufacturing, Deep fastening applications requiring extended reach.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 112mmAF15mm1/2"-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.