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M19 x 75mm Polycarbonate Hex Head Cap Screw

Expert Overview

Engineered from high-strength polycarbonate, this M19 x 75mm hex head cap screw offers exceptional corrosion resistance and electrical insulation for critical fastening applications.

StandardISO 9001
MaterialPolycarbonate
FinishPassivated
GradeN/A
SizeM19
Length75mm
Head Width18mm

Detailed Engineering Specifications

Built to exacting engineering tolerances, this M19 x 75mm polycarbonate hex head cap screw features a nominal diameter of 19mm and a total length of 75mm. The hex head is precisely manufactured to a width of 18mm, ensuring reliable engagement with standard tooling. Polycarbonate, the chosen material, provides excellent impact strength, UV resistance, and a high dielectric constant, making it suitable for corrosive environments and applications where non-conductivity is paramount. Its operational temperature range and chemical inertness further enhance its suitability for diverse industrial settings, from chemical processing to electrical enclosures.

🧊 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 components are clean and free of debris. 2. Hand-thread the screw to prevent cross-threading. 3. Tighten with appropriate wrench or socket, avoiding overtightening 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)
M19Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M19Varies 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.Use a torque wrench and adhere to recommended torque specifications for polycarbonate to prevent stripping or cracking.
Using inappropriate tools that can damage the hex head.Employ properly sized sockets or wrenches designed for hex heads to ensure a secure grip and prevent cam-out.

Common Applications

  • Chemical Processing Equipment
  • Electrical Enclosures and Housings
  • Marine and Coastal Applications

⚠️ Engineering Warnings

  • Not recommended for structural load-bearing applications requiring high tensile strength.
  • Avoid exposure to solvents that 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: Chemical Processing Equipment, Electrical Enclosures and Housings, Marine and Coastal Applications.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 75mmAF18mm1/2"-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.