1-8 NE Nylon Insert Hex Lock Nut Zinc (Pack Qty 50) BC-100NS by Shorpioen

Designed to be used with like-material machine screws and bolts. It is able to be reused more times than a two-way reversible nut. Steel nylon insert stop nuts are less expensive than grade-C automation lock nuts. However, nylon will begin to deteriorate at temperatures from 150-350 F | Steel: #2 through 5/8 -- AISI 1008 - 1010 or equivalent steel; 3/4 through 1-1/2-- AISI C1117 or equivalent steel | Stainless: 18-8: AISI 303 or equivalent stainless steel. 316: Type 316 stainless steel