Dimension Table
Dimensions for Polyamide PA66 (Nylon) Lock Nut in all available sizes are shown according to the product drawing above.
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Material: PA66
Measurement System: Metric
Drive Type: Hexagon (External)
Natural
Continuous use temperature: 100°C Maximum temperature: 170°C
Flammability UL94 HB
Polyamide PA66 (Nylon) Lock Nut conform to the following Standards/Norms:
ISO 7042
DIN 980
CSN 021492
PN 82176
Polyamide PA66 (Nylon) Lock Nut, available in metric sizes M3 and M4, is known for its outstanding mechanical strength, heat resistance, and moisture resistance. PA66 stands apart from other polyamide grades due to its higher melting point and enhanced rigidity, making it particularly suited for high-stress, high-temperature environments. It retains its shape and strength even in challenging conditions, such as in automotive and aerospace applications. While other grades like PA6 also offer excellent performance, PA66 excels where additional toughness and thermal stability are required, such as in environments exposed to heat, oils, greases, and vibration. PA66’s lower moisture absorption compared to other nylon grades further ensures long-term dimensional stability, even in humid conditions.
Metric Size (M) – M3 & M4
Advantages of Using Polyamide PA66 (Nylon) Lock Nut
Applications of Polyamide PA66 (Nylon) Lock Nut
PA66 lock nuts are used in automotive and aerospace industries for securing components exposed to high temperatures, mechanical stress, and vibrations, such as in engine assemblies and airframes. In marine applications, their resistance to moisture makes them ideal for fastening components exposed to saltwater and humidity. They are also employed in electronics, where their insulation properties and ability to withstand higher temperatures ensure secure and stable connections in sensitive equipment.
Polyamide PA66 (Nylon) Lock Nuts, available in M3 and M4 sizes, are ideal for high-performance applications due to their superior mechanical strength, thermal stability, and moisture resistance. These lock nuts excel in demanding environments such as automotive, aerospace, marine, and electronics, where reliability under stress is paramount. With their excellent balance of properties, PA66 lock nuts provide durable, long-lasting reliability across a range of challenging conditions.
The PA66 data sheet is available as a PDF to download below.
Return components within 90 days for a full refund. Please see returns terms and conditions for further information.
Size | Pitch | Across Flats (mm) | Nut Depth (mm) |
M3 | 0.5 | 5.5 | 4.3 |
M4 | 0.7 | 7 | 5.8 |
Dimensions for Polyamide PA66 (Nylon) Lock Nut in all available sizes are shown according to the product drawing above.
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