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M11x121mm Brass Hex Head Cap Screw | Corrosion Resistant Fasteners

Expert Overview

This M11x121mm brass hex head cap screw offers superior corrosion resistance and non-magnetic properties. Featuring a robust 23mm head width, it ensures secure and reliable fastening in demanding industrial applications.

StandardASTM A106
MaterialBrass
FinishPassivated
GradeN/A
SizeM11
Length121mm
Head Width23mm

Detailed Engineering Specifications

Manufactured under strict quality controls, this M11x121mm brass hex head cap screw is engineered for exceptional performance. The solid brass construction provides excellent resistance to corrosion, tarnishing, and galvanic action, making it suitable for marine, chemical, and electrical environments. The M11 thread pitch ensures a secure connection, while the 23mm head width allows for optimal torque application with standard hex tools. Its non-magnetic nature is crucial for sensitive electronic assemblies. Compliant with relevant industry standards for dimensional accuracy and material integrity.

🧊 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. Ensure the mating threads are clean and free from debris. 2. Apply appropriate lubrication if required by the application to prevent galling. 3. Use a calibrated torque wrench to tighten the screw to the recommended specification for the mating material.

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

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)
M11Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M11Varies 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, leading to thread stripping or material deformation.Always use a torque wrench and adhere to manufacturer-recommended torque values.
Using the wrong size or type of hex key, damaging the fastener head.Utilize a correctly sized and high-quality hex key for proper engagement.

Common Applications

  • Marine hardware and fittings
  • Chemical processing equipment
  • Electrical enclosures and connectors
  • Architectural and decorative metalwork

⚠️ Engineering Warnings

  • Brass can be susceptible to dezincification in aggressive acidic or ammoniated environments.
  • Avoid use in high-stress structural applications where steel fasteners might be more appropriate.

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, Chemical processing equipment, Electrical enclosures and connectors, Architectural and decorative metalwork.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 121mmAF23mm1/2"-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.