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M22 x 73mm Brass Hex Head Cap Screw - Corrosion Resistant

Expert Overview

This M22 x 73mm brass hex head cap screw offers exceptional corrosion resistance, making it ideal for harsh environments. Its non-magnetic properties are critical for sensitive applications.

StandardASTM A106
MaterialBrass
FinishZinc Plated
GradeN/A
SizeM22
Length73mm
Head Width10mm

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this M22 x 73mm brass hex head cap screw features a nominal diameter of M22, a length of 73mm, and a head width of 10mm. Crafted from solid brass (typically UNS C26000 or similar alloys), it provides excellent resistance to corrosion from moisture, chemicals, and saltwater, making it superior to steel fasteners in marine, plumbing, and outdoor installations. The material's inherent non-magnetic nature is crucial for applications involving sensitive electronic equipment or where magnetic interference is a concern. Its hexagonal head design allows for high torque application with standard wrenches or sockets, ensuring a secure and reliable fastening connection.

🧊 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 of debris. 2. Hand-tighten the cap screw to engage the threads properly. 3. Use an appropriate wrench or socket to tighten the cap screw to the required torque specification, avoiding overtightening.

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)
M22Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M22Varies 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
Using the wrong size wrench, leading to head stripping.Always use a wrench or socket that precisely matches the head width (10mm in this case) to ensure proper engagement and prevent damage.
Overtightening brass fasteners, causing thread damage or material deformation.Tighten brass fasteners to the recommended torque specifications for the application and material, rather than applying excessive force.

Common Applications

  • Marine hardware and fittings
  • Electrical grounding and connections
  • Plumbing and water systems
  • Corrosive chemical processing equipment
  • Outdoor architectural elements

⚠️ Engineering Warnings

  • Brass can be susceptible to dezincification in certain aggressive environments; consult material compatibility charts for specific applications.
  • Avoid using brass fasteners in high-stress applications where extreme tensile strength is required; consider higher-strength alloys if necessary.

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 grounding and connections, Plumbing and water systems, Corrosive chemical processing equipment, Outdoor architectural elements.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 73mmAF10mm1/2"-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.