Sewak Industries is the manufacturer of Precision Keyless Drill Chuck. Sewak Industries offers range of machine tool accessories. The Precision Keyless Drill Chuck is suitable for CNC machines, machine centres and heavy duty drilling operations. The Precision Keyless Drill Chuck is available in two capacities: 0-6.5 and 1-13 mm. The length and diameter are 35 mm and 6 mm and 55 mm and 12 mm respectively. The concentricity of both is 0.05 mm.