9 Piece Tungsten Holes for Concrete Tiles

Tungsten sintered holesaws are designed for easy drilling of holes in masonry, ceramics, brick, gypsum walls, chipboards, hollow blocks, aerated concrete and plastics.
Hole saws diameter 22mm, 28mm, 35mm, 44mm, 67mm, 73mm.
Made of high carbon HCS tool steel with tungsten coating.
Mounting plate holder made of aluminum.
They work with any type of drill at a maximum speed of 1500 rpm.