4-Jaw Independent, 12" Cast-Iron Body, Plain Back, 2 PC Hard Rev. Jaws

  Product Information Chuck Type Independent Chuck Mount Plain Back Spindle Type Requires Adapter Chuck Dia (in) 12-1/2 Thru-Hole (in) 3.150 Gripping Range Min-Max (in) .591 - 12.40 Chuck T.I.R (in) 0.0020 Max RPM 1200 Material Cast Iron Jaws 4 Jaw Type 2 PC Hard  Reversible Weight Gross (lbs) 113.32 Includes 1 Set of Master and Hard Top Reversible Jaws, Adapter Mounting Bolts, Chuck Wrench, Hex Keys, Eye Bolts Product Dimensions D (in) 12-1/2 F  (in) 5.252 E (H7) (in) 6.89 d Hole (in) 3.15 C (in) 0.276 H  (in) 3.740 h  (in) 2.398 M Mounting Bolt Thread (mm) M6 M Mounting Bolt Length  (in) 3.5433 Mounting Bolt  Qty 4 Accessories Jaws Hard Solid Reversible Jaws (Set) RJ-PI-315 Hard Top Jaws (Set) TJ-PI-315 Hard Master Jaws (Set) MJ-PI-315 Soft Top Jaws (1pc) STJ-PS1-315 Spare Parts Chuck Wrench (1Pc) W-PI-400 Operating  Screw (1Pc) OS-PI-315 Thrust Bearing (1Pc) TB-PI-315 Chuck Mounting Bolts (1Pc) MB-B