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M8 x 148mm Polycarbonate Hex Head Cap Screw | Durable Plastic Fastener

Expert Overview

This M8 x 148mm Polycarbonate Hex Head Cap Screw offers superior chemical resistance and non-conductive properties. Ideal for environments where traditional metal fasteners are unsuitable.

StandardISO 9001
MaterialPolycarbonate
FinishZinc Plated
GradeN/A
SizeM8
Length148mm
Head Width8mm

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this M8 x 148mm Polycarbonate Hex Head Cap Screw provides a lightweight, non-corrosive fastening solution. Constructed from high-impact polycarbonate, it exhibits excellent dielectric strength and resistance to a broad spectrum of chemicals, including many acids, bases, and oils. The M8 thread size ensures compatibility with standard metric components, while the 148mm length offers significant reach for assembly. The nominal 8mm head width allows for engagement with standard M8 tooling, facilitating efficient installation and removal without compromising the material's inherent non-magnetic and non-sparking characteristics.

🧊 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 from debris. 2. Hand-thread the screw into the receiving component to confirm alignment and prevent cross-threading. 3. Use an appropriate metric socket or wrench to tighten the screw to the desired torque, avoiding over-tightening to prevent material deformation.

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)
M8Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M8Varies 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
Over-tightening causing plastic deformation or cracking.Utilize a torque wrench set to the manufacturer's recommended torque specification for polycarbonate fasteners, or tighten until snug and then apply an additional quarter turn.
Using metal tools that can scratch or damage the polycarbonate head.Employ plastic or nylon-tipped tools for tightening, or carefully use metal tools to avoid direct contact with the screw head surface.

Common Applications

  • Electrical enclosures and equipment assembly
  • Corrosive chemical processing environments
  • Medical device manufacturing
  • Food processing equipment

⚠️ Engineering Warnings

  • Not recommended for structural load-bearing applications where high tensile strength is critical.
  • Avoid prolonged exposure to UV radiation unless specifically rated for outdoor use, as it may degrade material properties over time.

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 equipment assembly, Corrosive chemical processing environments, Medical device manufacturing, Food processing equipment.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 148mmAF8mm1/2"-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.