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M5x139mm Nylon Hex Head Cap Screw | Corrosion Resistant

Expert Overview

Engineered for demanding environments, this M5x139mm Nylon Hex Head Cap Screw provides exceptional chemical resistance and electrical insulation. Its robust design ensures reliable fastening in corrosive or high-temperature settings.

StandardISO 9001
MaterialNylon
FinishGalvanized
GradeN/A
SizeM5
Length139mm
Head Width21mm

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this M5x139mm Nylon Hex Head Cap Screw exhibits excellent tensile strength and a broad operating temperature range. Constructed from high-performance nylon, it offers superior resistance to acids, alkalis, solvents, and moisture, making it ideal for corrosive environments. The M5 thread pitch ensures compatibility with standard metric fasteners, while the 21mm head width provides ample surface area for torque application with standard tooling. Its inherent non-conductive properties are critical in electrical and electronic 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. Select appropriate mating hardware with M5 threading. 2. Insert the Nylon Hex Head Cap Screw through the components to be joined. 3. Tighten the screw using a suitable wrench or driver, applying consistent torque to achieve secure fastening 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)
M5Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M5Varies 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 stripping or cracking.Apply torque incrementally, referencing recommended torque specifications for nylon fasteners of this size and material. Utilize a torque wrench for precision.
Using the screw in applications exceeding its chemical or temperature resistance limits.Consult the nylon material's chemical compatibility chart and temperature rating before deployment in specialized environments. Verify the application's specific demands against product specifications.

Common Applications

  • Chemical processing equipment
  • Marine and offshore installations
  • Electrical enclosure assemblies
  • Food and beverage production machinery

⚠️ Engineering Warnings

  • Not recommended for structural load-bearing applications requiring high shear strength or impact resistance.
  • Avoid prolonged exposure to UV radiation, which can degrade nylon material 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: Chemical processing equipment, Marine and offshore installations, Electrical enclosure assemblies, Food and beverage production machinery.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 139mmAF21mm1/2"-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.