10 3 Jaw Self Center D1-6 Mounting Lathe Chuck Reversible. Of Stud: 7/8″ Studs Included: 6 Spindle Nose Dia: 4.19″ Max speed RPM 1600 Max. Input Torque: 320 Nm Product features Chuck includes one set of reversible jaws Hardened and ground Self-centering. 0039″ TIR Internal Jaw: Clamping Range A-A1: 0.236-4.331″ Jamming Range B-B1: 3.150-9.843″ External Jaw Clamping Range C-C1: 3.543-9.843″ American Standard Three pinion design with each pinion ground and hardened to HRC 43 Two piece jaw design with a master jaw and a top reversible jaw inAmerican Standard tongue and groovespecification Both side of jaw teeth and guides are ground and hardened to HRC 58-62. Check out our entire store for more great products and deals! We do however make every possible attempt to accurately describe the inventory we sell and stand behind it. Since 2016, 8TEN Industries has been a leading asset recovery provider supporting national retailers, brands, and manufacturers. Our 60,000 square foot processing and distribution facility located in Cass City, Michigan has allowed us to become industry leader in turning difficult problems for manufacturers into great deals for our customers.