4-Jaw Independent, 12" Cast-Iron Body, Direct Mount A2-8, Hard Solid Jaws

Part Number: 1-312-1208

Gator Catalog
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Product Information

Chuck Type Independent
Chuck Mount A2-8
Spindle Type A1/A2-8
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 Hard Solid Reversible
Weight Gross (lbs) 108.47
Includes 1 Set of Hard Solid Reversible Jaws, Chuck Mounting Bolts, Chuck Wrench, Hex Keys, Eye Bolts

Product Dimensions

D (in) 12-1/2
Taper Size A2-8
B (in) 6.750
G  (in) 5.501
d Hole  (in) 3.150
C (in) 0.709
H  (in) 3.740
h1  (in) 1.961
M  Mounting Bolt Thread (in) 5/8"11
Mounting Bolt Length (in) 3-1/4
Mounting Bolt Qty 4

Crossover to Other Brands

Bison 7-851-1218


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) BA-P-12-08