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Bison 4 Jaw Manual Chucks

4 JAW SELF-CENTERING SCROLL CHUCKS
Semi-Steel Body Plain Back Chuck-Backplates Required Two-Piece or Solid Jaw Style
  • Semi-steel body
  • All bearing surfaces are carefully hardened and precisely machined
  • Scroll is made of fine quality alloy steel and carefully case hardened
  • Thread flanks are ground on both sides
  • Teeth and guides are hardened and fully ground on both sides
  • 3 pinion design
Two-Piece Reversible Jaw Chucks are provided with:
  • 1 set of hard master jaws
  • 1 set of hard top reversible jaws
  • 1 chuck wrench
  • 1 set of mounting bolts
  • 2 hex keys
  • Eye bolts for chucks 15” & larger
Solid Jaw Style Chucks are provided with:
  • 1 set of hard solid ID jaws
  • 1 set of hard solid OD jaws
  • 1 chuck wrench
  • 1 set of mounting bolts
  • 1 hex key
  • Eye bolts for chucks 15” & larger
Master Jaw Style Type 3605 Solid Jaw Style Type 3604
Chuck Size Thru Hole Max RPM Wt (lbs) Part Number Price Each Part Number Price
5” 1.260 3200 11 BI-7840-0500
$598.63 BI-7845-0500
$467.33
6” 1.654 3000 22 BI-7840-0600
$678.80 BI-7845-0600
$517.54
8” 2.165 2500 39 BI-7840-0800
$769.69 BI-7845-0800
$617.95
10” 2.992 2000 55 BI-7840-1000
$908.72 BI-7845-1000
$797.10
12” 4.055 1500 110 BI-7840-1200
$1,339.17 BI-7845-1200
$1,213.05
15-3/4” 5.354 1000 187 BI-7840-1600
$2,223.92 BI-7845-1600
$2,148.51
20” 7.480 700 320 BI-7840-2000
$5,874.11 - -
25” 9.921 500 551 BI-7840-2500
$8,659.13 - -
4 JAW INDEPENDENT CHUCKS
Semi-Steel Body, Type A1/A2 Direct Mount With Hard Solid Jaws
  • Semi-steel body
  • Solid jaws are made of high quality carbon steel and hardened
  • Designed to grip round or odd shaped work
  • Type A1 spindle has a 2 bolt hole pattern, inside and outside the taper. Either an A1 or A2 chuck will fit
  • Type A2 spindles have 1 bolt pattern outside the taper-only an A2 chuck will fit
Solid Jaw Style Chucks are provided with:
  • 1 set of hard solid reversible jaws
  • 1 wrench
  • 1 set of clamping bolts
Type 4314
Chuck Size Spindle Thru Hole Max RPM Wt (lbs) Part Number Price
8” A2-5 1.969 1800 38 BI-7851-0815
$697.82
A2-6 1.969 1800 38 BI-7851-0816
$697.82
10” A2-5 2.559 1500 56 BI-7851-1025
$832.60
A2-6 2.559 1500 56 BI-7851-1016
$832.60
A2-8 2.559 1500 56 BI-7851-1018
$832.60
12” A2-5 3.150 1200 88 BI-7851-1215
$1,051.42
A2-6 3.150 1200 88 BI-7851-1226
$1,051.42
A2-8 3.150 1200 88 BI-7851-1218
$1,051.42
15-3/4” A2-6 3.937 800 143 BI-7851-1626
$1,552.46
A2-8 3.937 800 143 BI-7851-1628
$1,552.46
A2-11 3.937 800 143 BI-7851-1619
$1,552.46
20” A2-11 4.921 500 251 BI-7851-2019
$2,495.32
25” A2-11 6.299 400 364 BI-7851-2519
$3,240.92
32” A2-11 6.299 300 672 BI-7851-3219
$6,202.87
4 JAW INDEPENDENT CHUCKS
Semi-Steel Body, Type D1 Direct Mount With Hard Solid Jaws
  • Semi-steel body
  • Type D1 direct mount
  • Solid jaws are made of high quality carbon steel and hardened
  • Designed to grip round or odd shaped work
Type 4344
Chuck Size Spindle Thru Hole Wt (lbs) Part Number Price
8” D1-4 1.9685 37 BI-7853-0834
$693.84
D1-5 1.9685 37 BI-7853-0835
$718.35
10” D1-4 2.3622 61 BI-7853-1034
$840.78
D1-5 2.5591 61 BI-7853-1035
$859.55
D1-6 2.5591 61 BI-7853-1036
$859.55
12” D1-6 3.1496 87 BI-7853-1236
$1,092.09
D1-8 3.1496 87 BI-7853-1238
$1,128.99
15-3/4” D1-6 3.937 132 BI-7853-1636
$1,475.54
D1-8 3.937 132 BI-7853-1638
$1,475.54
D1-11 3.937 132 BI-7853-1639
$1,475.54
20” D1-8 4.9213 211 BI-7853-2038
$2,392.82
D1-11 4.9213 211 BI-7853-2039
$2,479.47
25” D1-11 6.2992 364 BI-7853-2539
$3,364.11
4 JAW INDEPENDENT CHUCKS
Semi-Steel Body With Solid Jaws
  • Solid jaw style
  • Semi-steel body
  • Plain back
  • Chuck body is made of high quality cast iron
Solid Jaw Chucks are provided with:
  • 1 set of hard solid reversible jaws
  • 1 self-ejecting chuck wrench
  • 1 set of mounting bolts
  • 1 hex key
  • Eye bolts with 12” to 20” chucks
Chuck Size Thru Hole Max RPM Wt Lbs Part Number Price
6” 1.7717 2500 17 BI-3850-0600
$143.10
8” 2.2047 2000 32 BI-3850-0800
$162.27
10” 2.9528 1600 51 BI-3850-1000
$219.49
12” 3.7402 1200 88 BI-3850-1200
$337.20
15-3/4” 4.9213 1000 121 BI-3850-1600
$521.10
20” 6.2992 800 225 BI-3850-2000
$1,003.50