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M10x40mm Brass Hex Cap Screw | Corrosion Resistant

Expert Overview

This M10x40mm brass hex head cap screw provides exceptional corrosion resistance and non-magnetic properties. Ideal for environments where standard steel fasteners degrade or interfere with sensitive equipment.

StandardDIN 933
MaterialBrass
FinishZinc Plated
GradeN/A
SizeM10
Length40mm
Head Width18mm

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this M10x40mm brass hex head cap screw features a nominal diameter of M10 and a length of 40mm, with an 18mm hex head width for robust torque application. Manufactured from high-quality brass, it exhibits excellent corrosion resistance, particularly against moisture and mild chemicals, and possesses non-magnetic properties. Its ductility allows for good formability, making it suitable for both machine and wood thread applications where galvanic corrosion is a concern or a non-sparking solution is required.

🧊 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:N/A

Installation Procedure

1. Select the appropriate mating component with a tapped hole or nut. 2. Insert the hex head cap screw and engage the threads by hand to prevent cross-threading. 3. Tighten the screw using a wrench or socket of the correct size (18mm across flats), applying steady torque until the desired clamping force is achieved, avoiding overtightening.

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

Copper (Cu)60.0 - 63.0%
Zinc (Zn)Balance
Lead (Pb)2.5 - 3.7%

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)
M10Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M10Varies 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 excessive force leading to thread stripping.Apply torque gradually and ensure smooth thread engagement by hand before using a tool. Consult torque charts for brass fasteners to determine appropriate clamping force.
Mixing brass fasteners with dissimilar metals in corrosive environments, leading to galvanic corrosion.Ensure compatibility of materials. While brass itself is corrosion-resistant, it can corrode when in direct contact with more noble metals in the presence of an electrolyte.

Common Applications

  • Marine hardware and fittings
  • Electrical and electronic enclosures
  • Plumbing and sanitary ware
  • Architectural and decorative applications
  • Food processing equipment

⚠️ Engineering Warnings

  • Brass is a softer material than steel; do not exceed recommended torque values to prevent thread damage or deformation.
  • While resistant to many chemicals, brass can be attacked by strong acids and ammonia-based solutions. Verify chemical compatibility for specific applications.

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, Brass made from?

A: This Hex Head Cap Screw, Brass is manufactured from Brass.

Q: What are the main applications?

A: Marine hardware and fittings, Electrical and electronic enclosures, Plumbing and sanitary ware, Architectural and decorative applications, Food processing equipment.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 40mmAF18mm1/2"-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.