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M17 x 85mm Polycarbonate Hex Head Cap Screw

Expert Overview

This M17 x 85mm hex head cap screw is engineered from robust polycarbonate, offering superior impact resistance and dielectric strength. Its precise dimensions ensure secure and reliable fastening in demanding environments.

StandardDIN 933
MaterialPolycarbonate
FinishPassivated
GradeN/A
SizeM17
Length85mm
Head Width35mm

Detailed Engineering Specifications

A high-performance industrial component, this M17 x 85mm hex head cap screw features a nominal diameter of M17 and a length of 85mm, with a head width of 35mm. Constructed from advanced polycarbonate, it exhibits excellent tensile strength, high impact resistance, and superior chemical inertness against a wide range of solvents and acids. Its non-conductive properties make it ideal for applications requiring electrical insulation, and its UV resistance ensures long-term durability in outdoor settings. This fastener is designed for applications where corrosion resistance and lightweight solutions are paramount.

🧊 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-tighten the cap screw to confirm proper thread engagement. 3. Use a calibrated torque wrench to tighten to the manufacturer's specified torque value, avoiding over-tightening.

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)
M17Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M17Varies 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, which can lead to material deformation or thread stripping.Always use a torque wrench and adhere to recommended torque specifications for polycarbonate fasteners.
Using metal tools that can scratch or damage the polycarbonate surface.Employ plastic or nylon wrenches and sockets to protect the screw's finish.

Common Applications

  • Electrical enclosures and components
  • Corrosive chemical processing equipment
  • Medical device assemblies

⚠️ Engineering Warnings

  • Not suitable for applications requiring high shear strength or extreme temperature resistance.
  • Compatibility with specific chemicals should be verified; prolonged exposure to certain aggressive solvents may degrade 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: Electrical enclosures and components, Corrosive chemical processing equipment, Medical device assemblies.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 85mmAF35mm1/2"-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.