. . CUTTING HOLE FOR CONCRETE BRICKS BLOCK 65mm 80mm SDS PLUSBLACK-21102Designed for cutting holes in building materials such as concrete, bricks, blocks, gypsum and gypsum cement board. Ideal for cutting holes for utility boxes, sockets, ventilation pipes, sanitary pipes, plumbing pipes, drain distribution, branch and contact boxes etcDedicated for use in materials such as concrete, bricks, blocks, gypsum and gypsum cement board.6 carbides in the crown at a rake angle of 0 ° allows much higher speeds to be used for operation. This also increases the life and efficiency of the hole saw. The centering drill bit is also equipped with carbide.. Technical parameters:Crown diameter: 65mm 80mmSDS+ adapter: 85mmCentering bit diameter: 7mmCentering bit length: 110mmNumber of carbides: 6 + 1 KIT CONTENT:Corner 65mmCorner 80mmSDS+ adapterCentering drillOriginal packaging.