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M21 x 112mm Nylon Hex Head Cap Screw

Expert Overview

Engineered for robust performance in demanding environments, this M21 x 112mm Nylon Hex Head Cap Screw offers superior corrosion resistance and dielectric properties, making it a preferred choice for specialized applications.

StandardISO 9001
MaterialNylon
FinishZinc Plated
GradeN/A
SizeM21
Length112mm
Head Width13mm

Detailed Engineering Specifications

Specified by design engineers worldwide, this M21 x 112mm Nylon Hex Head Cap Screw is manufactured from high-strength, impact-resistant polyamide. It features a nominal thread diameter of M21, a total length of 112mm, and a nominal head width of 13mm, conforming to industry standards for secure and reliable fastening. The inherent properties of nylon provide excellent resistance to a wide range of chemicals, solvents, and environmental factors, making it suitable for applications where metal fasteners would degrade or interfere with sensitive equipment. Its lightweight nature further enhances its utility in weight-sensitive assemblies.

🧊 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 the threaded hole or nut is clean and free of debris. 2. Insert the Hex Head Cap Screw into the designated fastening point. 3. Tighten using an appropriate wrench or socket to the specified torque, avoiding over-tightening which can strip the nylon threads.

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)
M21Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M21Varies 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.Use a torque wrench and adhere to the recommended torque specifications for nylon fasteners.
Using the screw in an application exceeding its temperature or load-bearing capacity.Verify that the application's environmental conditions and load requirements are within the operational limits of nylon fasteners.

Common Applications

  • Electrical insulation and grounding components
  • Chemical processing equipment
  • Outdoor and marine environments
  • Medical device assemblies

⚠️ Engineering Warnings

  • Not suitable for high-temperature environments exceeding 80°C (176°F).
  • Avoid applications requiring significant tensile strength or shear load capacity compared to metal fasteners.

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 insulation and grounding components, Chemical processing equipment, Outdoor and marine environments, Medical device assemblies.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 112mmAF13mm1/2"-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.