G&J Hall Tools 18Y170 Powerbor Weldon Chuck Adaptor, 1/2"-20 UN Thread Fitting, 3/4" Arbor, for All Electromagnetic Drilling Systems
G&J Hall Tools Powerbor weldon chuck adaptor for PB320, PBC320 Combi, PB450, PB700/2, PBC700 Combi, PB1000E electromagnetic drilling systems. It allows a 1/2"-20 threaded drill chuck to be quickly placed into any 3/4-inches weldon arbor to allow the used of twist drills and plain shank cutters. 1/2"-20 UN thread fitting. 3/4-inches arbor.