1/4-20 Serrated Flange Hex Lock Nuts Grade 8 Black Phosphate Item Number: 511490 Carton Qty: 2000 Price: 1 to 4 for $273.89 / 5 + for $245.79 Add
5/16-18 Serrated Flange Hex Lock Nuts Grade 8 Black Phosphate Item Number: 511507 Carton Qty: 1500 Price: 1 to 4 for $240.63 / 5 + for $215.95 Add
3/8-16 Serrated Flange Hex Lock Nuts Grade 8 Black Phosphate Item Number: 511512 Carton Qty: 1000 Price: 1 to 4 for $278.91 / 5 + for $250.31 Add
1/2-13 Serrated Flange Hex Lock Nuts Grade 8 Black Phosphate Item Number: 511529 Carton Qty: 250 Price: 1 to 4 for $226.69 / 5 + for $203.44 Add