Home > Fastening & Joining > Hex Head Cap Screw, Polycarbonate

M22 x 57mm Polycarbonate Hex Head Cap Screw

Expert Overview

This M22 x 57mm hex head cap screw is precision-engineered from high-strength polycarbonate. Offering excellent impact resistance and corrosion-free performance, it's ideal for diverse industrial and commercial applications.

StandardASTM A106
MaterialPolycarbonate
FinishAnodized
GradeN/A
SizeM22
Length57mm
Head Width27mm

Detailed Engineering Specifications

Built to exacting engineering tolerances, this M22 x 57mm polycarbonate hex head cap screw features a nominal thread diameter of 22mm and an overall length of 57mm. The hex head provides a 27mm width for secure tightening with standard tools. Polycarbonate's inherent properties include exceptional impact strength, high clarity, excellent electrical insulation, and resistance to a broad range of chemicals and UV radiation. This makes it a superior alternative to metal fasteners in environments where corrosion, weight, or electrical conductivity are concerns. Its robust construction ensures reliable mechanical fastening for demanding 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 socket or wrench for the M27 head width. 2. Thread the cap screw into the pre-drilled and tapped hole, ensuring smooth engagement. 3. Tighten the screw to the required torque specification, avoiding over-tightening to prevent damage to the polycarbonate material.

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

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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Over-tightening the screw, potentially stripping threads or cracking the polycarbonate.Use a torque wrench and adhere to the recommended torque values for M22 polycarbonate fasteners.
Using metal tools that can scratch or mar the polycarbonate surface.Employ tools with protective coatings or ensure careful handling during installation.

Common Applications

  • Electrical enclosures and control panels
  • Medical equipment and devices
  • Automotive interior components
  • Corrosive chemical processing environments
  • Lightweight structural assemblies

⚠️ Engineering Warnings

  • Not intended for structural load-bearing applications where high tensile strength is critical.
  • Avoid exposure to high temperatures exceeding the material's service limit, which can lead to deformation.

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: Electrical enclosures and control panels, Medical equipment and devices, Automotive interior components, Corrosive chemical processing environments, Lightweight structural assemblies.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 57mmAF27mm1/2"-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.