Cyclo-Core Carbide-Tipped Rotary Bits go through for you, drilling 1/4" to 6" diameter holes in vitreous tile and hard concrete, New England Carbide Tool Company, Inc., Cambridge, Mass.
Cyclo-Core Carbide-Tipped Rotary Bits go through for you, drilling 1/4" to 6" diameter holes in vitreous tile and hard concrete, New England Carbide Tool Company, Inc., Cambridge, Mass.
Description:
The drill bit is described in detail. There is a price list inside the brochure.