Standards: DIN985. M2.5 M3 M4 M5 M6 M8 M10 M12 M16 Nyloc Insert Nuts A2 Stainless Steel Type T DIN 985. Nyloc nuts feature a nylon collar in the top portion of the nut that locks the nut in place by squeezing the threads of the bolt as the nut is tightened.
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