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M8x81mm Nylon Hex Head Cap Screw | Corrosion Resistant Fastener

Expert Overview

Engineered from high-strength nylon, this M8x81mm hex head cap screw provides exceptional corrosion resistance and dielectric properties. Its robust design ensures reliable fastening in challenging industrial applications.

StandardISO 9001
MaterialNylon
FinishGalvanized
GradeN/A
SizeM8
Length81mm
Head Width14mm

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this M8x81mm hex head cap screw is constructed from a high-performance nylon polymer. The material exhibits excellent chemical resistance to many acids, alkalis, and solvents, making it suitable for corrosive environments where metal fasteners would degrade. With a head width of 14mm, it offers a broad bearing surface for secure load distribution. The inherent non-conductive nature of nylon makes these screws ideal for electrical insulation applications, preventing short circuits and 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. Select the appropriate mating hole or threaded insert for the M8 thread. 2. Hand-thread the nylon hex head cap screw into the receiving component to avoid cross-threading. 3. Tighten the screw using a suitable wrench or socket on the hex head, applying only the required torque to achieve a secure joint without over-stressing the nylon material.

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)
M8Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M8Varies 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 material deformation or stripping of threads.Apply torque gradually and stop once a secure connection is achieved. Refer to torque charts for nylon fasteners if available.
Using in applications exceeding the temperature or load-bearing capacity of nylon.Verify the operating temperature range and mechanical strength requirements of the application against the specifications of nylon fasteners.

Common Applications

  • Electrical enclosures and equipment assembly
  • Chemical processing equipment
  • Marine and outdoor applications requiring corrosion resistance

⚠️ Engineering Warnings

  • Nylon is a dielectric material and should not be used as a grounding fastener.
  • Avoid prolonged exposure to UV radiation which can degrade nylon over time.

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 assembly, Chemical processing equipment, Marine and outdoor applications requiring corrosion resistance.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 81mmAF14mm1/2"-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.