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M18 x 111mm Brass Hex Cap Screw - Corrosion Resistant

Expert Overview

This M18 x 111mm Hex Head Cap Screw, crafted from premium brass, offers superior corrosion resistance and non-sparking properties for critical industrial environments. Engineered for reliable fastening.

StandardASTM A106
MaterialBrass
FinishAnodized
GradeN/A
SizeM18
Length111mm
Head Width9mm

Detailed Engineering Specifications

A high-performance industrial component, this M18 x 111mm Hex Head Cap Screw is precisely manufactured from solid brass, offering exceptional resistance to corrosion, tarnishing, and galvanic action. Its inherent non-sparking nature makes it ideal for hazardous environments. The M18 thread provides robust load-bearing capacity, while the 111mm length ensures adequate grip and connection depth. The 9mm hexagonal head facilitates secure tightening with standard tools, ensuring reliable joint integrity in a wide range of demanding applications.

🧊 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. Clean mating surfaces to remove debris and ensure proper thread engagement. 2. Insert the Hex Head Cap Screw into the pre-drilled or tapped hole, ensuring full thread contact. 3. Tighten the screw using an appropriate wrench or socket to the recommended torque specification for the material and application, avoiding over-tightening.

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)
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 a steel fastener in a corrosive environment, leading to premature failure.Utilize brass fasteners like this Hex Head Cap Screw for guaranteed corrosion resistance and extended service life.
Overtightening the screw, which can strip threads or damage the workpiece.Employ a torque wrench and adhere to established torque values for brass fasteners to prevent damage and ensure optimal clamping force.

Common Applications

  • Marine hardware and fittings
  • Electrical connectors and grounding
  • Chemical processing equipment
  • Food and beverage machinery
  • Architectural and decorative fixtures

⚠️ Engineering Warnings

  • Brass can be softer than steel; avoid excessive force that could damage threads or the workpiece.
  • While corrosion-resistant, prolonged exposure to certain aggressive chemicals may degrade brass over time. Consult material compatibility charts if uncertain.

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 grounding, Chemical processing equipment, Food and beverage machinery, Architectural and decorative fixtures.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 111mmAF9mm1/2"-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.