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M12x34mm Brass Hex Head Cap Screw | Corrosion Resistant

Expert Overview

This M12x34mm brass hex head cap screw provides exceptional corrosion resistance and excellent electrical conductivity. Its robust brass construction ensures durability in challenging environments. Perfect for marine, electrical, and decorative assemblies.

StandardASME B18
MaterialBrass
FinishAnodized
GradeN/A
SizeM12
Length34mm
Head Width24mm

Detailed Engineering Specifications

Engineered for reliability and performance, this M12x34mm hex head cap screw is manufactured from premium brass, offering inherent resistance to corrosion and tarnishing, making it ideal for humid or chemically active environments. The M12 thread standard ensures broad compatibility with metric fasteners, and the 34mm length provides ample engagement for secure connections. The substantial 24mm head width allows for high torque application with standard hex drivers, ensuring a strong and reliable fastening solution. Brass also exhibits good thermal and electrical conductivity, further expanding its application range in electrical systems and heat dissipation scenarios.

🧊 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 M12 nut or tapped hole for the 34mm length screw. 2. Align the screw with the mating component and thread it in by hand to prevent cross-threading. 3. Tighten the screw using a standard hex driver to the desired torque, ensuring a secure connection without overtightening.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASME B18

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)
M12Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M12Varies 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
Cross-threading the screw due to improper alignment during initial engagement.Always start threading the screw by hand to ensure it engages with the threads correctly before applying any torque.
Overtightening the brass screw, which can lead to thread stripping or deformation of the workpiece.Use a torque wrench to apply the recommended torque for the M12 thread size and brass material to prevent damage.

Common Applications

  • Marine hardware and fittings
  • Electrical connectors and enclosures
  • Decorative architectural elements
  • Plumbing and water systems

⚠️ Engineering Warnings

  • Brass is a softer metal than steel and may be susceptible to damage from excessive force; use appropriate torque.
  • While corrosion resistant, brass can react with certain aggressive chemicals; verify compatibility for specific environments.

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 connectors and enclosures, Decorative architectural elements, Plumbing and water systems.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 34mmAF24mm1/2"-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.