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

M20 x 87mm Polycarbonate Hex Head Cap Screw

Expert Overview

This M20 x 87mm Hex Head Cap Screw, crafted from high-performance polycarbonate, offers exceptional strength and corrosion resistance. Its lightweight design and impact tolerance make it ideal for specialized industrial and commercial applications.

StandardDIN 933
MaterialPolycarbonate
FinishBlack Oxide
GradeN/A
SizeM20
Length87mm
Head Width20mm

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this M20 x 87mm Hex Head Cap Screw leverages the superior properties of polycarbonate for demanding applications. With a nominal diameter of M20 and a length of 87mm, it features a head width of 20mm, providing robust engagement. Polycarbonate's inherent dielectric strength, excellent chemical resistance, and high impact strength make this fastener suitable for environments where traditional metal fasteners may corrode or fail due to electrical conductivity or impact stress. Its dimensional stability and UV resistance ensure reliable performance in a wide range of operating conditions.

🧊 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 mating threads are clean and free of debris. 2. Hand-thread the screw to engage initial threads. 3. Tighten using an appropriate wrench to the specified torque, 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

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)
M20Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M20Varies 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
Overtightening, leading to thread stripping or material cracking.Adhere to recommended torque specifications for polycarbonate fasteners. Utilize a torque wrench for precise control.
Using metal tools that can damage the polycarbonate head.Employ tools made from non-marring materials or use protective inserts when tightening.

Common Applications

  • Chemical processing equipment
  • Electrical enclosures and insulation
  • Medical device assembly
  • Food and beverage processing
  • Marine environments

⚠️ Engineering Warnings

  • Avoid exposure to solvents or chemicals not listed as compatible with polycarbonate.
  • Do not exceed the maximum recommended operating temperature for polycarbonate.

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 insulation, Medical device assembly, Food and beverage processing, Marine environments.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 87mmAF20mm1/2"-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.