4-Jaw Independent (Heavy Duty) 28" Steel Body, Direct Mount A2-20, 2 PC Hard Rev. Jaws

Part Number: 1-317-2820

Gator Catalog
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Product Information

Chuck Type HD Independent
Chuck Mount A2-20
Spindle Type A2-20
Chuck Dia (in) 28"
Thru-Hole (in) 12.55
Torque on  the Wrench (lb ft) 331
Gripping Force per Jaw (lbf) 9,217
Gripping Range Min-Max (in) 7.09 - 27.95
Chuck T.I.R Radial (in) 0.0050
Max RPM 750
Material Forged Steel
Number of Jaws 4
Jaw Type 2 PC Hard  Reversible
Weight Gross (lbs) 929.03
Includes 1 Set of HD Master and Hard Top Reversible Jaws, Chuck Mounting Bolts, Chuck Wrench, Hex Keys, Eye Bolts

Product Dimensions

D (in) 28"
Taper Size A2-20
Thru-Hole Dia d (in) 12.55
B (in) 18.252
G (in) 16.251
C (in) .8750
H (in) 6.10
h (in) 3.571
L (in) 2.953
K (in) .866
N (in) .866
M  Mounting Bolt Thread (mm) M24x3
Mounting Bolt Length (in) 6.2992
Mounting Bolt Qty 8

Crossover to Other Brands

Bison  7-859-2855 


Hard Top Reversible HD Jaws (1 pc) TJ-PEI-800
Hard master HD Jaws (1 pc) MJ-PEI-800
Spare Parts
Operating Screw (1 pc) OS-PEI-720
Thrust Bearing (1 pc) TB-PEI-630
Heavy Duty Wrench (1 pc) W-PEI-1000
Chuck Mounting Bolts (1 pc) MB-PEI-720