Clamping disc for holesaws with diameters of 33mm, 43mm, 53mm, 67mm, 73mm, 83mm, with a hexagonal thread for a centering drill bit.

Data:
Matching hole saws diameter [mm]: 33; 43; 53; 67; 73; 83
Maximum speed: 1500 rpm
Purpose: plaster, bricks, ceramics