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M20 x 75mm Nylon Hex Cap Screw | Non-Corrosive Fastener

Expert Overview

This M20 x 75mm Nylon Hex Head Cap Screw provides robust, non-conductive fastening. Its durable nylon construction ensures resistance to chemicals and environmental degradation, making it ideal for specialized applications.

StandardASME B18
MaterialNylon
FinishGalvanized
GradeN/A
SizeM20
Length75mm
Head Width23mm

Detailed Engineering Specifications

Built to exacting engineering tolerances, this M20 x 75mm Nylon Hex Head Cap Screw features a nominal diameter of 20mm and a total length of 75mm. The head boasts a precise width of 23mm, facilitating secure torque application with standard tooling. Manufactured from high-performance nylon, it exhibits superior dielectric strength, excellent chemical resistance to many solvents and acids, and a lightweight, non-magnetic profile. This makes it an optimal choice for applications requiring electrical insulation, corrosion prevention, or where metal fasteners are unsuitable due to potential reactivity or conductivity.

🧊 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 initially to prevent cross-threading. 3. Tighten to the recommended torque using a properly sized wrench or socket, avoiding over-tightening to prevent thread stripping or head damage.

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)
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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Over-tightening the nylon screw, leading to stripped threads or cracked head.Utilize a torque wrench and adhere to manufacturer-recommended torque specifications for nylon fasteners. Hand-tightening followed by a controlled final turn is often sufficient.
Using metal tools that can damage the nylon head or threads.Employ tools made of softer materials like nylon or plastic, or ensure metal tools are well-maintained and used with care to avoid marring the fastener.

Common Applications

  • Electrical enclosure assembly
  • Corrosive chemical processing equipment
  • Medical device manufacturing

⚠️ Engineering Warnings

  • Nylon fasteners have a lower tensile strength and torque rating than their metal counterparts; do not substitute in applications requiring high load-bearing capacity.
  • Exposure to certain high-temperature environments or UV radiation may degrade nylon over time; consider material compatibility for specific operating conditions.

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, Nylon made from?

A: This Hex Head Cap Screw, Nylon is manufactured from Nylon.

Q: What are the main applications?

A: Electrical enclosure assembly, Corrosive chemical processing equipment, Medical device manufacturing.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 75mmAF23mm1/2"-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.