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M20 x 126mm Nylon Hex Head Cap Screw | Fastening Solutions

Expert Overview

This M20 x 126mm Nylon Hex Head Cap Screw offers superior corrosion resistance and electrical insulation for demanding industrial applications. Its lightweight design simplifies handling and installation.

StandardASTM A106
MaterialNylon
FinishZinc Plated
GradeN/A
SizeM20
Length126mm
Head Width19mm

Detailed Engineering Specifications

Designed for demanding industrial environments, this M20 x 126mm Hex Head Cap Screw is manufactured from high-performance nylon. This robust material provides exceptional resistance to a wide range of chemicals, solvents, and moisture, making it ideal for corrosive atmospheres. With a head width of 19mm, it ensures secure torque application. Its non-conductive properties make it a safe choice for electrical applications and environments where static discharge is a concern. The M20 thread ensures a strong mechanical connection, suitable for assembly in chemical processing plants, marine environments, and electronic equipment manufacturing.

🧊 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. Select the appropriate wrench or socket for the 19mm hex head. 2. Carefully align the M20 thread of the cap screw with the corresponding tapped hole or nut. 3. Apply even torque to tighten the screw until snug, avoiding over-tightening which can damage the nylon. 4. Verify the connection is secure and meets the required load specifications.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASTM A106

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 thread stripping or head deformation.Use a torque wrench set to the recommended torque value for nylon fasteners of this size and thread pitch. Hand-tightening until snug is often sufficient.
Using the screw in an application exceeding its temperature or load limitations.Consult the nylon material's technical data sheet for temperature and load bearing capacities. Ensure the application environment and stress levels are within these specified limits.

Common Applications

  • Chemical Processing Equipment
  • Marine Hardware and Fixtures
  • Electrical Enclosures and Components

⚠️ Engineering Warnings

  • Nylon fasteners may degrade under prolonged exposure to UV radiation. Consider UV-resistant grades if used outdoors.
  • Nylon can creep under sustained load. For critical structural applications, verify load-bearing capacity and consider metal alternatives if necessary.

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: Chemical Processing Equipment, Marine Hardware and Fixtures, Electrical Enclosures and Components.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 126mmAF19mm1/2"-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.