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Polycarbonate Hex Head Cap Screw M9x126mm | Industrial Fastener

Expert Overview

Engineered for superior performance in corrosive and electrically sensitive environments, this M9x126mm polycarbonate hex head cap screw offers exceptional durability and lightweight strength. Its robust polymer construction ensures reliability in challenging industrial settings.

StandardISO 9001
MaterialPolycarbonate
FinishAnodized
GradeN/A
SizeM9
Length126mm
Head Width7mm

Detailed Engineering Specifications

Designed for demanding industrial environments, this M9x126mm hex head cap screw is precision-engineered from high-performance polycarbonate. This advanced thermoplastic offers excellent impact resistance, a high strength-to-weight ratio, and superior dielectric properties, making it ideal for applications where corrosion, electrical conductivity, or weight are critical concerns. The M9 thread pitch and 126mm length provide robust fastening capabilities, while the 7mm head width ensures compatibility with standard tooling. Applications range from chemical processing equipment to electrical enclosures and lightweight structural assemblies.

🧊 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 from debris. 2. Hand-thread the cap screw into the receiving hole to prevent cross-threading. 3. Use a torque wrench set to the manufacturer's recommended torque specification for polycarbonate fasteners to avoid over-tightening.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardISO 9001

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

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)
M9Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M9Varies 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 the polycarbonate screw.Always use a torque wrench and adhere to recommended torque values for polycarbonate to prevent stripping or cracking.
Using standard metal tools that can scratch or damage the polycarbonate head.Utilize tools specifically designed for plastic fasteners or ensure gentle application of force with standard tools to maintain the integrity of the head.

Common Applications

  • Chemical processing equipment
  • Electrical enclosures and control panels
  • Lightweight structural assemblies
  • Marine and saltwater environments

⚠️ Engineering Warnings

  • Avoid exposure to prolonged UV radiation which may degrade polycarbonate over time.
  • Do not use in applications exceeding the material's temperature resistance limits.

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, Polycarbonate made from?

A: This Hex Head Cap Screw, Polycarbonate is manufactured from Polycarbonate.

Q: What are the main applications?

A: Chemical processing equipment, Electrical enclosures and control panels, Lightweight structural assemblies, Marine and saltwater environments.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 126mmAF7mm1/2"-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.