ProFit HM hole saws with carbide blade. From 40 mm, all hole saw dimensions have a cutting depth of 55 mm. A perfect hole saw for making holes in most materials. Cuts more than 10 gr faster than traditional hole saws and has an unmatched lifespan.Dimensions 16-330 mmCuts: wood, chipboard, MDF, laminate, plastic, plaster, aerated concrete, leca, fiberglass as well as tiles and stone materials up to a hardness of 6.Hole saw with carbide blade, a diameter of 210 mm and cutting depth of 58 mm.For use in wood, chipboard, MDF, laminate, plastic/acrylic, plaster and lightweight concrete. Features ProFit HM carbide tipped hole saws Can be used in all types of wood, plaster, lightweight concrete, brick and all types of ceramic materials up to a hardness of 6 Cuts more than 10 gr faster than traditional hole saws and has an unmatched lifetime When sawing in all types of wood materials, the special angle of the carbide tipped blades ensures that cutting chips do not jam the saw No discoloration around the sawn out hole thanks to minimal frictional heat No burnt fibers in the hole saw The hole saw does not get hot, no frictional heat, so you can't burn yourself Quick tool change thanks to the quick release Recommended speed for wood products is 200 rpm Recommended speed for tiles is 120 rpm Recommended speed for bricks is 150 rpm Recommended speed for plastics is 150 rpm