1/8" to 1 1/2" diameter rotary drilling in soft or medium masonry use Cyclo-Twist Carbide-Tipped Bits, New England Carbide Tool Company, Inc., Cambridge, Mass.
1/8" to 1 1/2" diameter rotary drilling in soft or medium masonry use Cyclo-Twist Carbide-Tipped Bits, New England Carbide Tool Company, Inc., Cambridge, Mass.
Description:
The drill bit is described in detail. There is a price list inside the brochure.