Carbide tipped tool bits
DIN4973-ISO8
Square shank boring tools
For K10/20, P25/30 this two kinds
Size: 8 x 8 x 14 x 125mm, 10 x 10 x 18 x 150mm, 12 x 12 x 21 x 180mm, 16 x 16 x 27 x 210mm, 20 x 20 x 34 x 250mm, 25 x 25 x 43 x 300mm, and 32 x 32 x 52 x 355mm