Tungsten carbide-tipped multi-purpose hole saws are designed for use in a wide variety of materials such as soft and hardwoods, chipboard, plywood, MDF, plastic, gypsum/plasterboard, tiles, solid brick, brick with cavities, concrete block, lightweight aggregate block, breeze block and soft density lime-sandstone building block (max 30 N/mm2 hardness). Long Lasting Construction Grade Carbide: a special formulated construction grade carbide is used for the cutting teeth, which provides 10x longer cutting life.

• Cut ceramic tiles, wood, MDF, Trespa, plastics, plasterboard, soft bricks, lime bricks and more. Fast and easy change.
• Long lasting construction grade carbide to provide a 10x longer cutting life.
• Secured tooth technology to prevent breakage during impact with hard materials.
• Fast lock in one click. Fast drilling in all conditions. Fast bore enlargement thanks to the center drill which can fit two hole saws.
• Plug is effortlessly removed thanks to the innovative slots. For use with CMT center drill 550-HS1, 550-HW1, 550-HS2, 550-HW2, 550-DB1.

• Diameter - 3-1/2 in
• Number of Cutting Edges - 3
• Cutting Depth - 2-3/64 in.

(1) CMT 550-089 Multipurpose Hole Saw 3-1/2 in. Diameter