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M17x129mm Brass Hex Head Cap Screw - Corrosion Resistant

Expert Overview

This M17 x 129mm Brass Hex Head Cap Screw offers superior corrosion resistance and non-magnetic properties. Ideal for applications where aesthetics and chemical inertness are paramount.

StandardASTM A106
MaterialBrass
FinishPassivated
GradeN/A
SizeM17
Length129mm
Head Width8mm

Detailed Engineering Specifications

Specified by design engineers worldwide, this M17 x 129mm Hex Head Cap Screw is manufactured from premium brass, renowned for its excellent corrosion resistance, particularly in marine and humid environments. The M17 thread standard ensures precise mating with M17 tapped holes or nuts, while the 129mm length provides substantial grip and clamping force. With a head width of 8mm, it is designed for compatibility with standard hex drivers, facilitating secure installation and reliable performance in a wide array of industrial and commercial applications.

🧊 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 M17 nut or tapped hole. 2. Manually insert the screw to ensure thread alignment. 3. Tighten securely using a calibrated hex driver to the specified torque, avoiding over-tightening.

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)
M17Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M17Varies 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
Using a steel fastener in a brass assembly leading to galvanic corrosion.Always use brass fasteners with brass components or ensure proper isolation to prevent dissimilar metal corrosion.
Over-tightening the screw, potentially stripping the threads or deforming the workpiece.Adhere to the manufacturer's recommended torque specifications for M17 brass fasteners.

Common Applications

  • Marine hardware and fittings
  • Electrical connectors and enclosures
  • Decorative architectural elements
  • Instrumentation and control panels

⚠️ Engineering Warnings

  • Brass is a relatively soft material; avoid excessive force during installation.
  • While corrosion-resistant, prolonged exposure to harsh acidic or alkaline chemicals may degrade the material.

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 connectors and enclosures, Decorative architectural elements, Instrumentation and control panels.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 129mmAF8mm1/2"-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.