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

M7 x 59mm Polycarbonate Hex Head Cap Screw | Industrial Fastener

Expert Overview

Engineered for high-performance applications, this M7 x 59mm polycarbonate hex head cap screw provides exceptional strength and resistance to harsh environments. Its robust construction ensures reliable fastening.

StandardASME B18
MaterialPolycarbonate
FinishBlack Oxide
GradeN/A
SizeM7
Length59mm
Head Width8mm

Detailed Engineering Specifications

Designed for demanding industrial environments, this M7 x 59mm polycarbonate hex head cap screw boasts a precisely machined M7 thread and a 59mm nominal length for versatile application. The 8mm hex head width ensures compatibility with standard tooling for efficient installation. Constructed from high-grade polycarbonate, it exhibits excellent impact strength, superior chemical resistance to many solvents and acids, and a wide operating temperature range, making it ideal for corrosive or high-stress conditions where metal fasteners may fail. Its non-conductive properties also make it suitable for electrical 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. Insert the M7 hex head cap screw into the designated threaded hole. 3. Tighten the screw using an appropriate socket wrench until snug, avoiding overtightening to prevent thread stripping.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASME B18

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)
M7Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M7Varies 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 the polycarbonate screw, which can lead to cracking or stripping of the threads.Use a torque wrench set to the manufacturer's recommended torque specification for polycarbonate fasteners.
Using metal tools that can scratch or damage the polycarbonate surface.Employ non-marring tools or socket extensions specifically designed for plastic fasteners.

Common Applications

  • Chemical processing equipment
  • Electrical enclosures and control panels
  • Medical device assembly

⚠️ Engineering Warnings

  • Not recommended for structural load-bearing applications requiring high tensile strength.
  • Avoid exposure to UV radiation for prolonged periods, 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: Chemical processing equipment, Electrical enclosures and control panels, Medical device assembly.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 59mmAF8mm1/2"-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.