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M7x43mm Brass Hex Head Cap Screw | Corrosion Resistant

Expert Overview

This M7x43mm brass hex head cap screw offers superior corrosion resistance, making it ideal for harsh environments. Its robust construction and precise dimensions ensure reliable fastening in critical industrial assemblies.

StandardDIN 933
MaterialBrass
FinishGalvanized
GradeN/A
SizeM7
Length43mm
Head Width13mm

Detailed Engineering Specifications

A high-performance industrial component, this M7x43mm hex head cap screw is meticulously manufactured from high-grade brass, renowned for its exceptional corrosion resistance and moderate strength. The M7 thread specification ensures compatibility with standard metric fasteners. With a length of 43mm and a substantial 13mm head width, it provides ample bearing surface for secure tightening and load distribution. This design makes it particularly well-suited for applications involving moisture, corrosive chemicals, or environments where non-magnetic properties are beneficial, such as marine, food processing, and electrical equipment.

🧊 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 threaded hole is clean and free of debris. 2. Align the cap screw with the threaded hole and begin threading by hand to prevent cross-threading. 3. Using an appropriate hex wrench or socket, tighten the cap screw to the recommended torque specification for brass fasteners, avoiding overtightening.

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)
M7Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M7Varies 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 excessive force leading to stripping of threads or head damage.Always adhere to the recommended torque values for brass fasteners. Utilize a torque wrench for precise application.
Cross-threading the screw during installation.Start threading the screw by hand for at least two full turns to ensure proper alignment before applying any tools.

Common Applications

  • Marine hardware and fittings
  • Food processing equipment
  • Electrical enclosures and components
  • Chemical processing equipment

⚠️ Engineering Warnings

  • Brass is a relatively soft material; avoid using excessive force which can lead to thread damage or head deformation.
  • While brass offers good corrosion resistance, it may react with certain aggressive chemicals. Consult material compatibility charts if unsure.

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, Food processing equipment, Electrical enclosures and components, Chemical processing equipment.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 43mmAF13mm1/2"-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.