The world leader in metal disintegrators for removing broken studs, taps, and drills without damage to the internal hole. This is done thru the use of spark erosion. Disintegration of carbide inserts (compacts) from oil, gas, and water drill bits. Original manufacturer of roll marking machines, for permanent marking of master rolls in the rebar industry. Cammann supplies all types of spare parts, tooling and electrodes including branding, moly, and camgraph.