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M18 x 69mm Nylon Hex Head Cap Screw | Fastening

Expert Overview

This M18 x 69mm Nylon Hex Head Cap Screw offers a corrosion-resistant, non-conductive fastening solution. Engineered for reliability in demanding environments, it provides secure joining with excellent chemical resistance and dielectric properties.

StandardDIN 933
MaterialNylon
FinishGalvanized
GradeN/A
SizeM18
Length69mm
Head Width20mm

Detailed Engineering Specifications

A proven choice for industrial professionals, this M18 x 69mm Hex Head Cap Screw is manufactured from high-performance nylon. With a nominal diameter of M18 and a precise length of 69mm, it features a robust head with a 20mm width for secure torque application. The inherent properties of nylon provide excellent corrosion resistance, making it ideal for wet or chemically aggressive environments. Its non-conductive nature further expands its utility in electrical applications where preventing current flow is critical. This screw is designed for applications requiring a lightweight yet strong fastening component that minimizes the risk of galvanic corrosion.

🧊 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 mating threads are clean and free of debris. 2. Insert the Nylon Hex Head Cap Screw into the designated hole. 3. Tighten the screw using an appropriate wrench to the recommended torque specification, avoiding overtightening to prevent thread stripping.

Equivalent Standards (Cross-Reference)

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

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)
M18Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M18Varies 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 material deformation.Utilize a torque wrench and adhere to the manufacturer's recommended torque values for nylon fasteners to prevent damage.
Using the nylon screw in applications exceeding its temperature or load-bearing limits.Consult the material datasheet and product specifications to confirm suitability for the intended operating temperature and mechanical stress.

Common Applications

  • Chemical processing equipment assembly
  • Electrical enclosures and insulation
  • Marine and offshore applications
  • Lightweight structural components

⚠️ Engineering Warnings

  • May not be suitable for high-temperature applications exceeding 80°C.
  • Avoid exposure to strong oxidizing agents or solvents that may degrade 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: Chemical processing equipment assembly, Electrical enclosures and insulation, Marine and offshore applications, Lightweight structural components.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 69mmAF20mm1/2"-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.