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
M5 / 5mm A4 MARINE GRADE STAINLESS STEEL HEX THIN HALF LOCK NUTS DIN 439 NUT BW
M5 Stainless Steel Half Nuts / Thin Nut / Lock Nuts Pack of 10 (Free P&P)
UNF THIN NUTS HEXAGON HALF LOCK A2 STAINLESS STEEL 3/16 1/4 5/16 3/8 7/16 1/2"
M22 / 22mm STAINLESS STEEL A2 HEXAGON HALF / LOCK / THIN NUTS FOR BOLTS SCREWS
