Nylon Insert Lock Nut – Fastener Weight Calculator

Calculate the exact weight of your vibration-resistant fasteners instantly. Our Nylon Insert Lock Nut Weight Calculator is designed specifically for prevailing torque type hex nuts with a non-metallic insert (DIN 982 / ISO 7040 standards).

Whether for automotive chassis, heavy machinery, or high-vibration equipment, precision matters. Nyloc nuts feature a captive polymer ring that securely grips the bolt thread, preventing accidental loosening without the need for lock washers or chemical threadlockers. Get accurate weight data for your bulk orders in seconds.

Supported Size Range:

  • Diameters: M3, M4, M5, M6, M30, M36, up to M39.
  • Profile: High-Type Design .
  • Key Feature: Nylon Collar (Deforms around the bolt threads to create a tight friction fit, offering superior vibration resistance).

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Nylon Insert Lock Nut Specification & Weight Reference (Stainless Steel 304)

Thread SizePitch (mm)Nut Height (mm)Wrench Size (mm)Single Weight (g)Weight per 1000 pcs (kg)
M30.504.805.50.4460.45
M40.706.507.01.031.03
M50.806.958.01.371.37
M61.008.0010.02.872.87
M81.259.5013.05.375.37
M101.5011.9016.010.7510.75
M121.7514.9018.016.5316.53
M162.0019.1024.026.6826.68
M202.5023.0030.061.4461.44
M243.0027.1036.093.6293.62

Applicable Standards: DIN 982, ISO 7040, DIN EN ISO 7040, UNI 7473, NF E 25-409

Note: Weights shown are for Stainless Steel 304 only. Use the calculator above for other materials (Stainless Steel, Brass, Titanium, etc.) and additional specifications.

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