S1205:Special PDC cutter for 28mm anchor drill bit
S1205 is a PDC cutter specially developed for Φ28mm anchor drill bit, and can also take into account both Φ26mm and Φ30mm anchor drill bits. The diameter of the PDC is 12.5mm, the height is 5.5mm, and there is the chamfer 1/4 circle. This chamfer is placed at the core of the drill bit during welding to increase the strength of the core of the PDC being squeezed by the rock and prevents the diamond from cracking in the core of the PDC