Size: M6 Button Head Socket Cap Bolts/M8 Button Head Socket Cap Bolts.
M8 Button Hex Head Cap Screws: M8 x 12mm*10pcs, M8 x 16mm*9pcs, M8 x 20mm*8pcs, M8 x 25mm*7pcs, M8 x 30mm*6pcs, M8 nuts 40pcs, M8 washers 40pcs
Wide Range of Applications:This kit can be widely used in all kinds of precision machinery industry, classified instruments, instruments, electronic products, household appliances, communication products, locks, lamps, lights, toys, etc.
M6 Hex Head Cap Screws Set: 12 pieces of M6 x 12mm, 10 pieces of M6 x 14mm, 10 pieces of M6 x 16mm, 9 pieces of M6 x 20mm, 8 pieces of M6 x 25mm, 7 pieces of M6 x 30mm, along with 56 M6 nuts and 56 M6 washers.
10.9 Alloy Steel: Class 10.9 Steel are considered hardened, providing a high strength, high tensile fastening solution, coated with zinc black provides better rust resistance, won't strip easily.