Bison 3-Jaw (2Pc) 20

Bison 3-Jaw (2Pc) 20" A2-15 Extra Heavy Duty Scroll Chuck with 8" Hole

$10,620.00
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Item # Description Price Quantity
7-825-2025 3-Jaw (2Pc) Scroll Chuck Forged Steel, Extra HD, 20", A2-15 8" H $10,620.00


3-Jaw (2Pc) Scroll Chuck Forged Steel, Extra Heavy Duty, 20in, A2-15 8in Hole

BISON-BIAL 3-Jaw Self-Centering Extra Heavy Duty Chucks

Forged Steel Body Large Thru-Hole

Standard Accessories:
  • 1 Set of two-piece heavy duty reversible jaws
    (hard top jaws and hard master Jaws)
  • 1 Wrench
  • 1 Set of Mounting Bolts

Optional Accessories:

  • Soft top jaws
  • Hard top jaws
  • Chuck wrench with flat T-bar end
  • Chuck wrench for fast jaw movement  
Chuck Diameter in (mm) 20 (508.0)
Mount   A2-15 Indirect
RPM 1000
Weight lb (kg) 530 (240.9091)
Hole Diameter d in (mm) 8 (203.2)
B in (mm) 13 (330.2)
G in (mm) 11.251 (285.8)
H in (mm) 4.685 (119.0)
h in (mm) 3.425(87.0)
C in (mm) .75 (19.1)
S in (mm) 2.98 (75.7)
N in (mm) 5.345 (135.8)
L in (mm) 6.535 (166.0)
k in (mm) .748 (19.0)
M Thread   M24 x 3































Max Load Capacity per Chuck lb (kg) 5200 (2363.6364)
Max Weight of Workpiece lb (kg) 10400 (4727.2727)

Clamping Capacity, Min d1in 1.77
Clamping Capacity, Max d2 in 19.68

Gripping Force, Wrench Torque Nm 450
lb 20700

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