Manual 10" Chuck 3 Jaws (250 mm Size) Radially Adjustable Body

Manual 10" 3-Jaw Chuck Radially adjustable to 0.0005" minimizing  chuck jaw radial runout        with provided radial adjustment screws Maintain approx 0.020" clearance between adapter pilot and        chuck ID pilot diameter (Dia. D1 on chart - depth h) Maximum RPM: 2700 Semi-steel chuck body 2 piece jaws - separate hardened base and top jaw        Supplied top jaws are hardened reversible type Top jaw American standard tongue and groove type Base jaw accepts the American Standard tongue and Groove Standard Shipment includes one set of reversible hard top jaws, jaw T-wrench, and mounting bolts NEW / UNUSED CONDITION PART GRIPPING DIAMETRICAL RANGE:        OD Gripping:   9.4" max /  0.500" min         ID Gripping :   8.72" min /  2.94" min Specification / Dimensions (see Illustration) : Nominal Size : 10" Model : KM31-300 Mount : Plain back D: 254 mm (10 in) D1 : 161.9 mm (6.37 in) D2: 111.13 mm (4.375 in) - INNER Mounting Hole Diameter  Note: Chuck does not have OUTER  D2 pattern D3: 72 mm (2.835 in) - Through Hole H: 153.8 mm (6.056 in ) H1: 88.7 mm (3.492 in) - Chuck Body Width h: 20.4 mm (0.803 in) - Pilot Depth z-d: 6-M12  (or 7/16-14) - Mounting Screws Max RPM : 2700 Mass : 30 kg (66 lb)