3/8-16 NTU NTU Nylon Insert Heavy Thin Pattern Nut Zinc (Pack Qty 400) BC-37NSTH

Thin pattern heavy hex nuts are used when an insufficient number of projecting threads are present to use a full heavy hex nylon insert stop nut. 1/4" through 5/8" -- AISI 1008 - 1010 or equivalent steel; 3/4 through 1"-- AISI C1117 or equivalent steel. Rockwell C 28 maximum.