Description

TECHNICAL FEATURES: -Perfect round back plate. -Fast & easy center drill change. -Large chip clearance slots. SPECS: D: 4-1/4″ Z: 5 H: 2-3/64″ 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, 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, 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.