Bison 4-Jaw (2Pc) 25" A2-20 Independent Chuck Forged Steel Body, 12.5" Hole - 7-859-2555

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Bison 4-Jaw (2Pc) 25" A2-20 Independent Chuck Forged Steel Body, 12.5" Hole - 7-859-2555
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7-859-2555
Bison 4-Jaw (2Pc) 25" A2-20 Independent Chuck Forged Steel Body, 12.5" Hole - 7-859-2555

4-Jaw (2Pc) Independent Chuck Forged Steel Body, Extra Heavy Duty, 25in A2-20 12.5in Hole BISON-BIAL
4-Jaw Independent Extra Heavy Duty Chucks Standard Accessories:

  • 1 Set of two-piece master jaws
    (hard top jaws and hard master Jaws)
  • 1 Wrench
  • 1 Set of Mounting Bolts
  • 2 Allen keys
  • 1 Eye Bolt

Optional Accessories:

  • Hard top jaws
  • Chuck wrench with flat T-bar end
  • Chuck wrench for fast jaw movement
Chuck Diameter A in (mm) 25 (635.0)
Mount   A2-20
Chuck Jaws   2-piece
Maximum Speed RPM 850
Weight lb (kg) 662 (300.9091)
Hole Diameter C in (mm) 12.55 (318.8)
B +.001 in 16.251
D in (mm) 18.252 (463.6)
G in (mm) 6.10 (154.9)
H in (mm) 6.579 (167.1)
I in (mm) 3.571 (90.7)
K in (mm) .866 (22.0)
L in (mm) 2.953 (75.0)
N in (mm) .866 (22.0)
E   M24x3
F in (mm) 1.50 (38.1)
d1 min in (mm) 3.94 (100.1)
d2 max in (mm) 24.8 (629.9)
Gripping Force, Wrench Torque NM   400
Gripping Force, Jaw lbs   8160
 
4-Jaw (2Pc) 25" A2-20 Independent Chuck Forged Steel Body