4-Jaw Independent (Heavy Duty) 20" Steel Body, Direct Mount A2-11, 2 PC Hard Rev. Jaws

Part Number: 1-317-2011

Gator Catalog
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Product Information

Chuck Type HD Independent
Chuck Mount A2-11
Spindle Type A2-11
Chuck Dia (in) 20"
Thru-Hole (in) 6.5
Torque on  the Wrench (lb ft) 259
Gripping Force per Jaw (lbf) 7,190
Gripping Range Min-Max (in) 1.77 - 19.68
Chuck T.I.R Radial (in) 0.0040
Max RPM 1000
Material Forged Steel
Number of Jaws 4
Jaw Type 2 PC Hard  Reversible
Weight Gross (lbs) 496.04
Includes 1 Set of HD Master and Hard Top Reversible Jaws, Chuck Mounting Bolts, Chuck Wrench, Hex Keys, Eye Bolts

Product Dimensions

D (in) 20"
Taper Size A2-11
Thru-Hole Dia d (in) 6.5
B (in) 9.2500
G (in) 7.75075
C (in) .7500
H (in) 5.71
h (in) 2.981
L (in) 2.362
K (in) .866
N (in) .748
M  Mounting Bolt Thread (mm) M20x2.5
Mounting Bolt Length (in) 5.9055
Mounting Bolt Qty 8

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Bison  7-859-2033 


Hard Top Reversible HD Jaws (1 pc) TJ-PEI-500
Hard master HD Jaws (1 pc) MJ-PEI-500
Spare Parts
Operating Screw (1 pc) OS-PEI-511
Thrust Bearing (1 pc) TB-PEI-500
Heavy Duty Wrench (1 pc) W-PEI-500
Chuck Mounting Bolts (1 pc) MB-PEI-511