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M23x130mm Brass Hex Head Cap Screw | Corrosion Resistant

Expert Overview

This M23x130mm brass hex head cap screw offers superior corrosion resistance and non-sparking properties. Engineered for demanding environments, it ensures reliable fastening in corrosive and potentially explosive atmospheres.

StandardASTM A106
MaterialBrass
FinishZinc Plated
GradeN/A
SizeM23
Length130mm
Head Width21mm

Detailed Engineering Specifications

Specified by design engineers worldwide, this M23x130mm brass hex head cap screw is manufactured to exacting tolerances. Composed of high-grade brass (typically UNS C36000 or equivalent), it exhibits excellent corrosion resistance to a broad spectrum of chemicals, saltwater, and atmospheric contaminants. Its nominal diameter is M23, with a length of 130mm and a head width across flats of 21mm. This material's inherent non-sparking characteristic makes it crucial for applications in hazardous zones. The mechanical properties, including tensile and shear strength, are carefully controlled to meet industry standards for secure and durable connections.

🧊 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. Apply a suitable lubricant or anti-seize compound if the application requires. 3. Thread the cap screw by hand to confirm alignment and prevent cross-threading. 4. Tighten the cap screw to the specified torque using an appropriate wrench, ensuring the head is seated firmly against the surface.

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)
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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Over-tightening the brass screw.Use a torque wrench set to the manufacturer's recommended value to avoid stripping threads or deforming the material.
Using the wrong size wrench, leading to head damage.Always use a wrench that precisely fits the 21mm hex head to ensure proper leverage and prevent cam-out.
Installing into improperly cleaned or damaged threads.Thoroughly inspect and clean both the screw and mating threads before installation to ensure a secure and reliable joint.

Common Applications

  • Marine hardware and fittings
  • Chemical processing equipment
  • Electrical grounding and connection points
  • Food processing machinery

⚠️ Engineering Warnings

  • Brass is a softer material than steel; avoid excessive force during installation which can lead to thread damage or stripping.
  • While brass offers excellent corrosion resistance, consult material compatibility charts for specific aggressive chemical 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, Chemical processing equipment, Electrical grounding and connection points, Food processing machinery.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 130mmAF21mm1/2"-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.