CMT hole saw 550 on aerated concrete

TECHNICAL FEATURES: -Perfect round back plate. -Fast & easy center drill change. -Large chip clearance slots. Long lasting construction grade carbide Cutting teeth are made of a special formulated construction grade carbide which provides a longer cutting life. Secured tooth technology As a result of the latest technology, teeth are secured to prevent any breakage during impact with hard materials. Great for cutting aerated concrete. CMT's 550 hole saws are also suitable for cutting: -Soft, hardwoods and plywood. -Chipboard, MDF, veneered, laminated and table top. Pre-drill the laminate/melamine by using left-hand rotation for clean finishing. -Gypsum, plasterboard, fibercement boards, Eternit®. -Plastics, PVC, nylon, Trespa®, polyester. -Tiles, solid bricks and bricks with cavities, lightweight aggregate blocks and breeze blocks, soft density limes and stone building blocks max 30 N/mm2 hardness; for hardness higher than 30 N/mm2 use our diamond dry hole saws. Use the recommended speeds to get optimum lifetime. The speed affects the hole quality. Always pre-drill with the center drill to achieve best performance. The percussion/hammer action mode must be turned off when using these hole saws. For any further information please visit: www.cmtutensili.com/show_items.asp?pars=HS~550~2