Description:

PACK OF 50 HEX NUTS - US - 1/2"-13 UNC Thread Diameter: 1/2 Inch Pitch: 13 Threads Per Inch COARSE (UNC) High Strength Grade 8 Head Style: Hex Driver Size: 3/4 Inch Yellow Zinc CR6 Medium Carbon, SAE J995 ASME/ANSI B18.2.2-1987. Coarse Thread Series (UNC/UNRC) is the most common designation for general application bolts and nuts. Coarse thread is beneficial, because they are less likely to cross thread, more tolerant in adverse conditions and facilitate quick assembly.. General purpose High-Strength hexagonal nut; fastener with US threading. Full height hex nut, non-locking six-sided nut. Yellow-Zinc plated offers superior corrosion resistance in wet environments, better than zinc.. Grade 8 hex nuts are high-strength nuts manufactured from quenched and tempered Medium-carbon alloy steel. About 25% Stonger than medium-strength Grade 5. Commonly paired with Grade 8 bolts and screws.. U.S.A Sourced Product.