State Engineering Corporation manufactures Open Centre and Close Center Wedge Hook Chucks. State Engineering Corporation is an ISO 9001:2000 certified company. The Company manufactures various types of Chucks. The Open Centre and Close Center Wedge Hook Chucks are designed to suit highly productive automates, capstans and CNC Lathes. The Open Centre and Close Center Wedge Hook Chucks have rugged design. These Chucks have wearing surfaces hardened and precision ground and parts made of Nickel and Chromium Steel for Longevity. These Chucks are available in 125,135,160, 200, 250 and 315 mm sizes.