HCS MATERIAL; UNF THREAD SERIES; 18 TPI; 5/8 INCH THREAD SIZE; HEX DIE EXTERNAL SHAPE; 5/8 THREAD SIZE - FRACTIONAL; .625 THREAD SIZE - DECIMAL; HANSON. BRAND; BULK STOCK; USED IN AUTOMOTIVE PART REQUIRED EXTREME PRESSURE; DIE EXTERNAL SIZE 1-7/16 INCH W