A4 Stainless Steel Nyloc Nuts (Also known as Nylon Insert Nuts, or Lock Nuts)Price includes VAT & Free Fast Delivery Various Sizes and Pack Quantities Available. Please choose from the drop down menu. Nyloc nuts with a nylon insert.Nylon insert within the nut grips the male thread and helps prevent loosening. Manufactured to DIN985, type T. Metric coarse threads.
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