Home > Fastening & Joining > Hex Head Cap Screw, Brass

M11x118mm Brass Hex Head Cap Screw - Corrosion Resistant

Expert Overview

Engineered from premium brass, this M11x118mm hex head cap screw provides superior corrosion resistance and non-magnetic properties. Its robust design ensures reliable fastening in demanding environments.

StandardDIN 933
MaterialBrass
FinishGalvanized
GradeN/A
SizeM11
Length118mm
Head Width30mm

Detailed Engineering Specifications

Manufactured under strict quality controls, this M11 x 118mm hex head cap screw is fabricated from high-grade brass (UNS C26000 or equivalent), offering exceptional corrosion resistance, good ductility, and excellent electrical conductivity. The 30mm head width ensures ample bearing surface for secure tightening. These fasteners are ideal for applications where galvanic corrosion is a concern or where non-sparking properties are required. Compliance with relevant ASTM standards for brass bolts and screws is assured. Operating temperature range is suitable for typical ambient to moderately elevated conditions.

🧊 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 nut or tapped hole with the correct M11 thread pitch. 2. Apply a small amount of suitable lubricant to the threads for smoother engagement and to prevent galling. 3. Tighten the cap screw using a properly sized wrench on the hex head, applying torque gradually to the specified level for the application.

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)
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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Over-tightening the brass screw, which can lead to thread stripping or deformation of the head.Use a torque wrench set to the manufacturer's recommended torque value for the specific application and mating material.
Using the wrong size wrench, which can round the hex head and make removal difficult.Always use a correctly sized, high-quality wrench or socket that fits snugly on the hex head.

Common Applications

  • Marine hardware and fittings requiring corrosion resistance
  • Plumbing and water systems where brass compatibility is essential
  • Electrical connectors and grounding applications due to conductivity

⚠️ Engineering Warnings

  • Brass is a softer material than steel; avoid excessive force during tightening to prevent damage.
  • Ensure compatibility with mating materials to prevent galvanic corrosion, especially in humid or saltwater 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 requiring corrosion resistance, Plumbing and water systems where brass compatibility is essential, Electrical connectors and grounding applications due to conductivity.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 118mmAF30mm1/2"-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.