These are the standard, most commonly used nyloc nuts. DIN 985, type T, bright zinc plated. Nylon ring insert within the nut creates a locking action.
M7 (7mm) METRIC HEXAGON HEX NYLOC NYLON INSERT LOCKING NUTS BRIGHT ZINC PLATED
M6 / 6mm METRIC HEXAGON HEX NYLOC NYLON INSERT LOCKING NUTS BRIGHT ZINC PLATED
M7 (7mm) FULLY THREADED SET SCREW GRADE 8.8 ZINC HEXAGON HEX HEAD BOLTS SCREWS
M7 HEXAGON HEX SETSCREWS FULLY THREADED BOLTS GRADE 8.8 HIGH TENSILE ZINC STEEL
HIGH TENSILE ZINC YELLOW PASSIVATED FLANGE HEXAGON HEX HEAD METRIC BOLTS