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M23x20mm Brass Hex Head Cap Screw - Corrosion Resistant

Expert Overview

This M23x20mm brass hex head cap screw offers exceptional corrosion resistance and moderate strength, ideal for applications in marine, chemical, and decorative settings where aesthetics and longevity are paramount.

StandardDIN 933
MaterialBrass
FinishPassivated
GradeN/A
SizeM23
Length20mm
Head Width35mm

Detailed Engineering Specifications

Specified by design engineers worldwide, this M23x20mm brass hex head cap screw features a nominal diameter of 23mm and a thread pitch conforming to ISO standards. The head width measures 35mm, providing ample surface area for torque application. Constructed from brass alloy, it exhibits excellent resistance to galvanic corrosion, making it suitable for environments exposed to moisture and various chemicals. Its machinability and decorative appeal also lend themselves to specialized industrial and architectural uses.

🧊 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 M23 tapping or through-hole for the cap screw. 2. Hand-thread the cap screw to engage the threads, ensuring no cross-threading. 3. Tighten the cap screw to the required torque specification using a calibrated wrench, ensuring the head is seated flush.

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)
M23Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M23Varies 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, which can strip the brass threads.Utilize a torque wrench and adhere to manufacturer-recommended torque values for M23 brass fasteners.
Using incompatible tools, damaging the hex head.Employ a correctly sized hex socket or wrench specifically designed for M23 hex heads.

Common Applications

  • Marine hardware and fittings
  • Chemical processing equipment
  • Decorative architectural elements
  • Electrical connectors and enclosures

⚠️ Engineering Warnings

  • Brass is a relatively soft material and may not be suitable for high-stress structural applications.
  • Avoid using brass fasteners in conjunction with dissimilar metals in highly corrosive environments to prevent galvanic corrosion.

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, Decorative architectural elements, Electrical connectors and enclosures.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 20mmAF35mm1/2"-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.