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M18x76mm Brass Hex Head Cap Screw | Corrosion Resistant

Expert Overview

Engineered for robust performance, this M18x76mm brass hex head cap screw provides exceptional corrosion resistance and reliable fastening in challenging environments. Ideal for marine, electrical, and general industrial assembly.

StandardDIN 933
MaterialBrass
FinishBlack Oxide
GradeN/A
SizeM18
Length76mm
Head Width15mm

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this M18x76mm brass hex head cap screw (M18 thread diameter, 76mm length, 15mm head width) delivers superior corrosion resistance, making it ideal for environments exposed to moisture, chemicals, or saltwater. The inherent properties of brass, including its non-sparking nature and excellent electrical conductivity, lend themselves to specialized uses in marine hardware, electrical panel construction, and chemical processing equipment where material integrity and safety are paramount. Its robust design ensures secure and long-lasting connections under significant stress.

🧊 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. Hand-thread the screw into the receiving component until snug. 3. Tighten the screw to the specified torque using an appropriate wrench, 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)
M18Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M18Varies 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 excessive force during tightening, which can strip threads or damage the screw head.Always adhere to recommended torque specifications for the application and material. Use a torque wrench for precision.
Not cleaning mating threads before installation, leading to a less secure connection and potential galling.Thoroughly inspect and clean both the screw threads and the receiving threads before assembly.

Common Applications

  • Marine hardware and fittings
  • Electrical enclosures and panel building
  • Chemical processing equipment
  • Corrosion-prone environments

⚠️ Engineering Warnings

  • Brass is a softer metal than steel; avoid applications requiring extreme tensile strength or shear load capacity.
  • While corrosion-resistant, brass can still be affected by certain aggressive chemicals. Consult material compatibility charts 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 enclosures and panel building, Chemical processing equipment, Corrosion-prone environments.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 76mmAF15mm1/2"-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.