Home > Fastening & Joining > Hex Head Cap Screw, Nylon

M18x84mm Nylon Hex Head Cap Screw

Expert Overview

Engineered for superior performance in corrosive and demanding environments, this M18x84mm Nylon Hex Head Cap Screw offers exceptional strength and resilience. Its lightweight, non-conductive properties make it ideal for specialized industrial applications.

StandardDIN 933
MaterialNylon
FinishGalvanized
GradeN/A
SizeM18
Length84mm
Head Width26mm

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this M18x84mm Hex Head Cap Screw is manufactured from high-performance nylon, offering excellent tensile strength, impact resistance, and broad chemical compatibility. The M18 thread size provides robust fastening capability, while the 84mm length accommodates substantial material thicknesses. With a head width of 26mm, it ensures ample torque transfer and secure seating. Its inherent non-corrosive and non-conductive nature makes it a superior choice over metallic fasteners in environments prone to electrolysis, oxidation, or where electrical insulation is critical, such as in chemical processing, water treatment, or food and beverage 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. Ensure the mating threads are clean and free of debris. 2. Insert the Hex Head Cap Screw into the pre-drilled hole. 3. Tighten using an appropriate socket wrench, applying consistent torque without overtightening to avoid stripping the nylon threads.

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 head fracture.Use a torque wrench set to the manufacturer's recommended torque specification for nylon fasteners of this size, or tighten until snug and then an additional 1/8 to 1/4 turn.
Using excessive force or impact tools, which can damage the nylon material.Employ hand tools such as a socket wrench or Allen key for tightening. Avoid impact wrenches or power drivers unless specifically rated for low-torque nylon applications.

Common Applications

  • Chemical Processing Equipment
  • Marine and Offshore Structures
  • Food and Beverage Production Lines

⚠️ Engineering Warnings

  • Not recommended for structural load-bearing applications where significant tensile or shear strength is paramount.
  • Continuous exposure to UV radiation may degrade the nylon material over extended periods. Consider UV-stabilized variants for outdoor applications.

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 Structures, Food and Beverage Production Lines.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 84mmAF26mm1/2"-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.