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 bricks and bricks with cavities, aerated concrete blocks, lightweight aggregate blocks and breeze blocks, soft density lime-sandstone building blocks (max 30 N/mm2 hardness).
-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.
Order center bit as determined by the diameter of the hole saw.
550-HS1 is for 25/32" to 1-3/16" for Wood.
550-HS2 is for 1-1/4" to 6" for Wood.
550-HW1 is for 25/32" to 1-3/16" for Concrete/Brick
550-HW2 is for 1-1/4" to 6" for Concrete/Brick