4-Jaw Independent, 20" Cast-Iron Body, Plain Back, Hard Solid Jaws

Product Information Chuck Type Independent Chuck Mount Plain Back Spindle Type Requires Adapter Chuck Dia (in) 20 Thru-Hole (in) 4.921 Gripping Range Min-Max (in) 1.77 - 19.69 Chuck T.I.R (in) 0.0040 Max RPM 500 Material Cast Iron Jaws 4 Jaw Type Hard Solid Reversible Weight Gross (lbs) 246.92 Includes 1 Set of Hard Solid Reversible Jaws, Adapter Mounting Bolts, Chuck Wrench, Hex Keys, Eye Bolts Product Dimensions D (in) 20 F  (in) 9.2520 E (H7) (in) 10.63 d Hole (in) 4.921 C (in) 0.472 H  (in) 4.724 h  (in) 2.346 M Mounting Bolt Thread (mm) M20 M Mounting Bolt Length  (in) 3.9370 Mounting Bolt  Qty 4 Crossover to Other Brands Bison 7-850-2000 Accessories Jaws Hard Solid Reversible Jaws (Set) RJ-PI-500 Hard Top Jaws (Set) TJ-PI-500 Hard Master Jaws (Set) MJ-PI-500 Soft Top Jaws (1pc) STJ-PS1-500 Spare Parts Chuck Wrench (1Pc) W-PI-630 Operating  Screw (1Pc) OS-PI-500 Thrust Bearing (1Pc) TB-PI-