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

M20 x 63mm Nylon Hex Head Cap Screw | Fastener

Expert Overview

This M20 x 63mm Nylon Hex Head Cap Screw offers excellent corrosion resistance and dielectric properties. Its lightweight design makes it ideal for demanding environments where metal fasteners are unsuitable.

StandardASME B18
MaterialNylon
FinishGalvanized
GradeN/A
SizeM20
Length63mm
Head Width21mm

Detailed Engineering Specifications

Engineered for reliability and performance, this M20 x 63mm Hex Head Cap Screw is manufactured from high-quality Nylon. Its dimensions, including a 21mm head width, provide robust fastening capabilities for various applications. Nylon's inherent resistance to chemicals, moisture, and electrical conductivity makes it a superior choice for environments prone to corrosion or electrical hazards. The material's inherent flexibility also allows for slight vibration dampening, contributing to secure connections in light to medium-duty assemblies. This fastener is ideal for use in industries such as electronics, chemical processing, and general manufacturing where traditional metal fasteners may degrade or compromise safety.

🧊 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 threads on both the screw and the mating component are clean and free of debris. 2. Insert the M20 Nylon Hex Head Cap Screw into the designated hole. 3. Tighten the screw using an appropriate wrench, applying consistent torque until secure. Avoid overtightening to prevent stripping or damaging the nylon threads.

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
Overtightening the nylon screw, leading to thread stripping or head deformation.Utilize a torque wrench to apply the recommended torque for nylon fasteners, ensuring it is within the material's tensile strength limits. Hand-tighten followed by a quarter turn is often sufficient.
Using the nylon screw in applications requiring high tensile strength or shear resistance.Assess the load requirements of the application. If significant mechanical stress is involved, opt for a metal alloy fastener with appropriate strength ratings.

Common Applications

  • Electrical enclosures and equipment mounting
  • Chemical processing equipment assembly
  • Lightweight structural components in corrosive environments

⚠️ Engineering Warnings

  • Not suitable for high-stress or load-bearing applications where metal fasteners are typically required.
  • Avoid prolonged exposure to extreme temperatures that may exceed the thermal limits of nylon.

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 enclosures and equipment mounting, Chemical processing equipment assembly, Lightweight structural components in corrosive environments.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 63mmAF21mm1/2"-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.