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M17 x 40mm Carbon Steel Hex Cap Screw | Fastening & Joining

Expert Overview

This M17 x 40mm Hex Head Cap Screw, forged from high-grade carbon steel, offers superior tensile strength and durability. Engineered for secure, reliable fastening in critical industrial assemblies.

StandardISO 9001
MaterialCarbon Steel
FinishAnodized
GradeN/A
SizeM17
Length40mm
Head Width17mm

Detailed Engineering Specifications

Specified by design engineers worldwide, this M17 x 40mm Hex Head Cap Screw is manufactured from robust carbon steel, offering exceptional tensile strength and resistance to deformation. With a nominal diameter of M17 and a length of 40mm, its 17mm hex head facilitates high-torque assembly using standard tooling. This fastener meets stringent industrial standards, ensuring consistent performance in demanding environments. Its material composition provides excellent load-bearing capacity, making it ideal for structural and machinery applications requiring robust joining solutions.

🧊 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 mating tapped hole or nut for the M17 thread. 2. Insert the cap screw through the components to be joined. 3. Tighten the cap screw using a calibrated torque wrench to the specified torque value for M17 fasteners, ensuring proper clamping force without over-tightening.

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)
M17Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M17Varies 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 stripped tool for tightening.Utilize a 17mm hex socket or wrench that fits snugly to prevent cam-out and ensure proper torque transfer.
Applying excessive torque, leading to thread stripping or fastener fatigue.Always adhere to manufacturer-specified torque values for M17 carbon steel cap screws to achieve optimal clamping force and prevent damage.

Common Applications

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

⚠️ Engineering Warnings

  • Ensure proper thread engagement to prevent cross-threading and ensure secure fastening.
  • Use appropriate personal protective equipment (PPE) such as safety glasses 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: Structural Steel Connections, Heavy Machinery Assembly, Automotive Chassis Components.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 40mmAF17mm1/2"-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.