Bright zinc plated (BZP). Also known as thin nuts & lock nuts. Hexagon Half Nuts. Hexagon half nuts.
UNC HEXAGON THIN HALF LOCK NUTS A2 STAINLESS STEEL 3/16 1/4 5/16 3/8 7/16 1/2"
M4 M5 M6 M8 M10 M12 M16 SOLID BRASS HEXAGON HALF LOCK NUTS METRIC BOLTS SCREWS
UNF THIN NUTS HEXAGON HALF LOCK A2 STAINLESS STEEL 3/16 1/4 5/16 3/8 7/16 1/2"
M5 / 5mm STAINLESS STEEL A2 HEXAGON HALF / LOCK / THIN NUTS FOR BOLTS SCREWS
UNC NYLOC NUTS ZINC PLATED INSERT LOCK 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1"
HIGH TENSILE ZINC YELLOW PASSIVATED FINE PITCH NYLOC, NYLON INSERT LOCK NUTS
