Disk-shaped hat, M3-M12, both production and hex cap outside with a disk-shaped washers, can be divided into non-rotatable and rotatable disk-shaped cap Specifications: disk-shaped hat M8X1.25 13 * 8.4 * 22 level disk-shaped cap M6X1.0 10 * 6 * 14 disc-shaped hat M5X0.8 8 * 5.2 * 12 disc-shaped hat M4X0.7 special disk-shaped hat M4X0.7 8.7 * 5.2 * 12 shaped hat M8 * 1.25 13 * 10 * 28 shaped hat 1/4-20 11 * 6 * 14 shaped hat 6 # -32 7.8 * 3.8 * 8.24 shaped hat M10X1.5 17 * 10.4 * 22 disc-shaped hat M6X1.0 (left teeth with flowers) 10 * 6 * 14 shaped hat M3X0.5 5.5 * 3.6 * 10 disc-shaped hat M8X1.25 13 * 8.6 * 18 disc-shaped hat M8X1.25 13 * 9 * 22 disc-shaped hat M8X1.25 bottom embossing 13 * 8.6 * 18 shaped hat M3X0.5 5.5 * 3.5 * 8 disk-shaped cap 10 # -32 9.5 * 4.2 * 10.2 4 # -40 disc-shaped hat shaped hat M10X1.25 left teeth 19 * 11.2 * 22 shaped hat 8 # - 32 8.7 * 4.4 * 9.6-shaped embossed bottom cap M6X1.0 10 * 6 * 14