Description TECHNICAL FEATURES: -Perfect round back plate. -Fast & easy centre 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. Materials: -Soft, hard woods 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, aerated concrete blocks, lightweight aggregate blocks and breeze blocks, soft density limes and stone building blocks (max 30 N/mm2 hardness); for hardness >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 centre drill to achieve best performance. The percussion/hammer action mode must be turned off when using these hole saws.
