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Bison - 2 Jaws, 16" Diam, Self Centering Manual Lathe Chuck - Plain Back Mount Spindle, Reversible, 1,000 Max RPM, 5.3543" Through Hole Diam, 0.0012" Axial Runout, 0.0024" Radial Runout, Cast Iron


Item #: 08608366
Brand: Bison
Model #: 7-830-1600
Exact Tooling IR#: 04

Features and Benefits

Self-centering scroll chucks are designed with jaws on a scroll which open and close with a wrench that is turned on a pinion. They accurately self-center on the workpiece as the jaws close.
Cast iron also called semi-steel is the industry standard for chuck body material.
Product Specifications
Chuck Type Self-Centering
Nominal Chuck Size 16
Number of Jaws 2
Mount Plain Back
Through-Hole Diameter (Decimal Inch) 5.3543
Body Material Cast Iron (Semi-Steel)
Reversible Jaws Reversible Jaws
Number of Jaw Pieces Two-Piece
Chuck Diameter (Inch) 15-3/4
Adjustable No
Jaw Type Master Jaws; Top Jaws
Axial Runout (Decimal Inch) 0.0012
Radial Runout (Decimal Inch) 0.0024
Body Length (Decimal Inch) 4.3310
Maximum RPM 1000
Includes (2) Hex Keys; Chuck Wrench; Eye Bolts (Chuck Size 15-3/4" & Larger); Semi-Steel Body; Set of Hard Master Jaws; Set of Hard Top Reversible Jaws; Set of Mounting Bolts

$4,723.05

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Bison - 2 Jaws, 6" Diam, Self Centering Manual Lathe Chuck - Plain Back Mount Spindle, Reversible, 3,000 Max RPM, 1.6535" Through Hole Diam, 0.0008" Axial Runout, 0.0012" Radial Runout, Cast Iron


Item #: 08608069
Brand: Bison
Model #: 7-830-0600
Exact Tooling IR#: 04

Features and Benefits

Self-centering scroll chucks are designed with jaws on a scroll which open and close with a wrench that is turned on a pinion. They accurately self-center on the workpiece as the jaws close.
Cast iron also called semi-steel is the industry standard for chuck body material.
Product Specifications
Chuck Type Self-Centering
Nominal Chuck Size 6
Number of Jaws 2
Mount Plain Back
Through-Hole Diameter (Decimal Inch) 1.6535
Body Material Cast Iron (Semi-Steel)
Reversible Jaws Reversible Jaws
Number of Jaw Pieces Two-Piece
Chuck Diameter (Inch) 6-1/4
Adjustable No
Jaw Type Master Jaws; Top Jaws
Axial Runout (Decimal Inch) 0.0008
Radial Runout (Decimal Inch) 0.0012
Body Length (Decimal Inch) 2.7560
Maximum RPM 3000
Includes (2) Hex Keys; Chuck Wrench; Eye Bolts (Chuck Size 15-3/4" & Larger); Semi-Steel Body; Set of Hard Master Jaws; Set of Hard Top Reversible Jaws; Set of Mounting Bolts

$638.13

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Bison - 2 Jaws, 8" Diam, Self Centering Manual Lathe Chuck - Plain Back Mount Spindle, Reversible, 2,500 Max RPM, 2.1654" Through Hole Diam, 0.001" Axial Runout, 0.0016" Radial Runout, Cast Iron


Item #: 08608085
Brand: Bison
Model #: 7-830-0800
Exact Tooling IR#: 04

Features and Benefits

Self-centering scroll chucks are designed with jaws on a scroll which open and close with a wrench that is turned on a pinion. They accurately self-center on the workpiece as the jaws close.
Cast iron also called semi-steel is the industry standard for chuck body material.
Product Specifications
Chuck Type Self-Centering
Nominal Chuck Size 8
Number of Jaws 2
Mount Plain Back
Through-Hole Diameter (Decimal Inch) 2.1654
Body Material Cast Iron (Semi-Steel)
Reversible Jaws Reversible Jaws
Number of Jaw Pieces Two-Piece
Chuck Diameter (mm) 203.20
Chuck Diameter (Inch) 8
Adjustable No
Jaw Type Master Jaws; Top Jaws
Axial Runout (Decimal Inch) 0.0010
Radial Runout (Decimal Inch) 0.0016
Body Length (Decimal Inch) 3.1500
Maximum RPM 2500
Includes (2) Hex Keys; Chuck Wrench; Eye Bolts (Chuck Size 15-3/4" & Larger); Semi-Steel Body; Set of Hard Master Jaws; Set of Hard Top Reversible Jaws; Set of Mounting Bolts

$746.75

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Bison - 2.51" Head Diam, Standard Point Solid Dead Center - 6MT Morse Taper, 18mm Point Diam


Item #: 30524995
Brand: Bison
Model #: 7-550-030
Exact Tooling IR#: 04

Product Specifications
Center Type Solid Center
Shank Type Morse Taper
Shank Taper Size 6MT
Point Style Standard Point
Carbide-Tipped Yes
Head Diameter (Decimal Inch) 2.5100
Point Diameter (mm) 18.00

$149.69

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Bison - 2.51" Head Diam, Standard Point Solid Dead Center - 6MT Morse Taper, 18mm Point Diam


Item #: 30524920
Brand: Bison
Model #: 7-555-030
Exact Tooling IR#: 04

Product Specifications
Center Type Solid Center
Shank Type Morse Taper
Shank Taper Size 6MT
Point Style Standard Point
Carbide-Tipped No
Head Diameter (Decimal Inch) 2.5100
Point Diameter (mm) 18.00

$187.20

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Bison - 20" Max Chuck Diam Compatibility, Steel Master Jaws - 2.0472" Wide x 6" Long x 3.6811" High


Item #: 08580607
Brand: Bison
Model #: 7-890-120
Exact Tooling IR#: 04

Features and Benefits

Master jaws, also known as base jaws, are attched to the scroll within the chuck body. Top jaws are attached to them and they hold the workpiece.
Product Specifications
Jaw Type Master Jaws
Maximum Compatible Chuck Diameter (Inch) 20
Maximum Compatible Chuck Diameter (Decimal Inch) 20.00
Material Steel
Overall Width/Diameter (Decimal Inch) 2.0472
Overall Length (Decimal Inch) 6.0039
Minimum Compatible Chuck Diameter (Inch) 20
Number of Jaws 4
Overall Height (Decimal Inch) 3.6811

$1,108.11

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Bison - 20" Max Chuck Diam Compatibility, Steel Tongue & Groove Hard Lathe Master Jaws - 3/4" Groove Width, 1.5748" Wide x 6.5351" Long


Item #: 08578353
Brand: Bison
Model #: 7-885-320
Exact Tooling IR#: 04

Features and Benefits

Master jaws, also known as base jaws, are attched to the scroll within the chuck body. Top jaws are attached to them and they hold the workpiece.
Product Specifications
Jaw Type Master Jaws
Jaw Interface Type Tongue & Groove
Maximum Compatible Chuck Diameter (Inch) 20
Maximum Compatible Chuck Diameter (Decimal Inch) 20.00
Material Steel
Overall Width/Diameter (Decimal Inch) 1.5748
Overall Length (Decimal Inch) 6.5351
Minimum Compatible Chuck Diameter (Inch) 20
Groove Width (Decimal Inch) 0.7496
Number of Jaws 3
Fastener Size (Inch) 3/4-10
Distance Between Mount Hole Centers (Inch) 1-1/2

$694.09

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Bison - 20" Max Chuck Diam Compatibility, Steel Tongue & Groove Hard Lathe Master Jaws - 3/4" Groove Width, 1.5748" Wide x 6.5351" Long


Item #: 08553703
Brand: Bison
Model #: 7-885-420
Exact Tooling IR#: 04

Features and Benefits

Master jaws, also known as base jaws, are attched to the scroll within the chuck body. Top jaws are attached to them and they hold the workpiece.
Product Specifications
Jaw Type Master Jaws
Jaw Interface Type Tongue & Groove
Maximum Compatible Chuck Diameter (Inch) 20
Maximum Compatible Chuck Diameter (Decimal Inch) 20.00
Material Steel
Overall Width/Diameter (Decimal Inch) 1.5748
Overall Length (Decimal Inch) 6.5351
Minimum Compatible Chuck Diameter (Inch) 20
Groove Width (Decimal Inch) 0.7496
Number of Jaws 4
Fastener Size (Inch) 3/4-10
Distance Between Mount Hole Centers (Inch) 1-1/2

$1,152.76

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Bison - 20" Max Chuck Diam Compatibility, Steel Tongue & Groove Hard Lathe Master Jaws - 3/4" Groove Width, 2.0472" Wide x 6.6142" Long x 2.3228" High


Item #: 08553760
Brand: Bison
Model #: 7-890-320
Exact Tooling IR#: 04

Features and Benefits

Master jaws, also known as base jaws, are attched to the scroll within the chuck body. Top jaws are attached to them and they hold the workpiece.
Product Specifications
Jaw Type Master Jaws
Jaw Interface Type Tongue & Groove
Maximum Compatible Chuck Diameter (Inch) 20
Maximum Compatible Chuck Diameter (Decimal Inch) 20.00
Material Steel
Overall Width/Diameter (Decimal Inch) 2.0472
Overall Length (Decimal Inch) 6.6142
Minimum Compatible Chuck Diameter (Inch) 20
Groove Width (Decimal Inch) 0.7496
Number of Jaws 4
Overall Height (Decimal Inch) 2.3228
Fastener Size (Inch) 3/4-10
Distance Between Mount Hole Centers (Decimal Inch) 1.5000

$322.28

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Bison - 20" Max Chuck Diam Compatibility, Steel Tongue & Groove Hard Lathe Top Jaws - 1.654" Wide x 5" Long x 2.933" High


Item #: 08579708
Brand: Bison
Model #: 7-883-320
Exact Tooling IR#: 04

Features and Benefits

Top jaws, also known as hard or step jaws, hold a workpiece during an operation. They are reversible and are bolted onto the master jaw.
Product Specifications
Jaw Type Top Jaws
Jaw Interface Type Tongue & Groove
Maximum Compatible Chuck Diameter (Inch) 20
Maximum Compatible Chuck Diameter (Decimal Inch) 20.00
Material Steel
Overall Width/Diameter (Decimal Inch) 1.6540
Overall Length (Decimal Inch) 5.0000
Minimum Compatible Chuck Diameter (Inch) 20
Number of Jaws 3
Overall Height (Decimal Inch) 2.9330
Fastener Size (Inch) 3/4-10
Distance Between Mount Hole Centers (Inch) 3

$830.80

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Bison - 20" Max Chuck Diam Compatibility, Steel Tongue & Groove Hard Lathe Top Jaws - 1.654" Wide x 5" Long x 2.933" High


Item #: 08570145
Brand: Bison
Model #: 7-883-420
Exact Tooling IR#: 04

Features and Benefits

Top jaws, also known as hard or step jaws, hold a workpiece during an operation. They are reversible and are bolted onto the master jaw.
Product Specifications
Jaw Type Top Jaws
Jaw Interface Type Tongue & Groove
Maximum Compatible Chuck Diameter (Inch) 20
Maximum Compatible Chuck Diameter (Decimal Inch) 20.00
Material Steel
Overall Width/Diameter (Decimal Inch) 1.6540
Overall Length (Decimal Inch) 5.0000
Minimum Compatible Chuck Diameter (Inch) 20
Number of Jaws 4
Overall Height (Decimal Inch) 2.9330
Fastener Size (Inch) 3/4-10
Distance Between Mount Hole Centers (Inch) 3

$988.77

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Bison - 20, 25" Chuck Diam Compatibility, Lathe Chuck Key - Compatible with 4-Jaw Chucks, Self Ejecting, 5-33/64" Body Length, 0.748" Actual Key Square Size


Item #: 08569097
Brand: Bison
Model #: 7-889-025
Exact Tooling IR#: 04

Product Specifications
Product Type Lathe Chuck Key
Chuck Diameter Compatibility (Inch) 20; 25
Nominal Key/Square Size (Inch) 3/4
Product Compatibility 4-Jaw Chucks
Self-Ejecting Yes
Body Length (Inch) 5-33/64
Body Length (Decimal Inch) 5.5156
Actual Key/Square Size (Decimal Inch) 0.7480

$137.19

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Bison - 20, 25" Chuck Diam Compatibility, Lathe Chuck Key - Compatible with 4-Jaw Chucks, Self Ejecting, 9" Body Length, 0.6693" Actual Key Square Size


Item #: 08569683
Brand: Bison
Model #: 7-890-925
Exact Tooling IR#: 04

Product Specifications
Product Type Lathe Chuck Key
Chuck Diameter Compatibility (Inch) 20; 25
Nominal Key/Square Size (Inch) 11/16
Product Compatibility 4-Jaw Chucks
Self-Ejecting Yes
Body Length (Inch) 9
Actual Key/Square Size (Decimal Inch) 0.6693

$95.39

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Bison - 20mm Nose Diam, 2.05 to4.72" Turning Diam, Standard Point Face Driver Center


Item #: 30522619
Brand: Bison
Model #: 7-590-855
Exact Tooling IR#: 04

Product Specifications

20mm Nose Diam, 2.05 to4.72" Turning Diam, Standard Point Face Driver Center -
Point Style Standard Point
Nose Diameter (mm) 20.00
Minimum Turning Diameter (Decimal Inch) 2.0500
Maximum Turning Diameter (Decimal Inch) 4.7200
Minimum Center Hole Diameter (Inch) 0
Minimum Center Hole Diameter (Decimal Inch) 0.0000
Maximum Center Hole Diameter (Decimal Inch) 0.0000

$48.91

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Bison - 210mm Max Chuck Capacity, 1.5mm x 60° Serrated Interface, Square Soft Lathe Chuck Jaw - 3 Jaw, Steel, 25mm Btw Mount Hole Ctrs, 95mm Long, 40mm Wide, 40mm High, 14mm Groove, M12mm Fastener


Item #: 30522312
Brand: Bison
Model #: 7-788-308
Exact Tooling IR#: 04

Features and Benefits

Pointed jaws are blanks used for smaller part diameters, allowing closer contact than square end jaws.
Product Specifications
Jaw Type Square
Material Steel
Jaw Interface Type 1.5mm x 60 Serrated
Maximum Compatible Chuck Diameter (Decimal Inch) 8.2677
Maximum Compatible Chuck Diameter (mm) 210.00
Minimum Compatible Chuck Diameter (mm) 203.00
Minimum Compatible Chuck Diameter (Decimal Inch) 8.0000
Overall Height (mm) 40.00
Overall Height (Decimal Inch) 1.5748
Groove Width (mm) 14.00
Groove Width (Decimal Inch) 0.5511
Distance Between Mount Hole Centers (mm) 25.00
Distance Between Mount Hole Centers (Decimal Inch) 0.9842
Tongue Width (Decimal Inch) 0.0000
Jaw End Shape Pointed
Fastener Size (mm) M12
Number of Jaws 3
Overall Width/Diameter (mm) 40.00
Overall Length (mm) 95.00

$193.21

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Bison - 210mm Max Chuck Capacity, 1.5mm x 60° Serrated Interface, Square Soft Lathe Chuck Jaw - Steel, 25mm Btw Mount Hole Ctrs, 40mm High, 14mm Groove, M12mm Fastener


Item #: 30522353
Brand: Bison
Model #: 7-788-208
Exact Tooling IR#: 04

Features and Benefits

Square end jaws are blanks that can be machined to final size.
Product Specifications
Jaw Type Square
Material Steel
Jaw Interface Type 1.5mm x 60 Serrated
Maximum Compatible Chuck Diameter (Decimal Inch) 8.2677
Maximum Compatible Chuck Diameter (mm) 210.00
Minimum Compatible Chuck Diameter (mm) 203.00
Minimum Compatible Chuck Diameter (Decimal Inch) 8.0000
Overall Height (mm) 40.00
Overall Height (Decimal Inch) 1.5748
Groove Width (mm) 14.00
Groove Width (Decimal Inch) 0.5511
Distance Between Mount Hole Centers (mm) 25.00
Distance Between Mount Hole Centers (Decimal Inch) 0.9842
Tongue Width (Decimal Inch) 0.0000
Jaw End Shape Square
Fastener Size (mm) M12

$259.78

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Bison - 210mm Max Chuck Capacity, 1.5mm x 60° Serrated Interface, Square Soft Lathe Chuck Jaw - Steel, 25mm Btw Mount Hole Ctrs, 40mm High, 14mm Groove, M12mm Fastener


Item #: 30522239
Brand: Bison
Model #: 7-788-408
Exact Tooling IR#: 04

Features and Benefits

Pointed jaws are blanks used for smaller part diameters, allowing closer contact than square end jaws.
Product Specifications
Jaw Type Square
Material Steel
Jaw Interface Type 1.5mm x 60 Serrated
Maximum Compatible Chuck Diameter (Decimal Inch) 8.2677
Maximum Compatible Chuck Diameter (mm) 210.00
Minimum Compatible Chuck Diameter (mm) 203.00
Minimum Compatible Chuck Diameter (Decimal Inch) 8.0000
Overall Height (mm) 40.00
Overall Height (Decimal Inch) 1.5748
Groove Width (mm) 14.00
Groove Width (Decimal Inch) 0.5511
Distance Between Mount Hole Centers (mm) 25.00
Distance Between Mount Hole Centers (Decimal Inch) 0.9842
Tongue Width (Decimal Inch) 0.0000
Jaw End Shape Pointed
Fastener Size (mm) M12

$419.70

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Bison - 24.8" Max Chuck Diam Compatibility, Steel Tongue & Groove Hard Lathe Master Jaws - 0 Steps


Item #: 43901834
Brand: Bison
Model #: 7-885-5289
Exact Tooling IR#: 04

Features and Benefits

Master jaws, also known as base jaws, are attched to the scroll within the chuck body. Top jaws are attached to them and they hold the workpiece.
Product Specifications
Jaw Type Master Jaws
Jaw Interface Type Tongue & Groove
Maximum Compatible Chuck Diameter (Decimal Inch) 24.80
Number of Steps 0
Material Steel
Key Size (Decimal Inch) 0.8750
Distance Between Mount Hole Centers (mm) 38.10
Distance Between Mount Hole Centers (Decimal Inch) 1.5000

$978.86

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Bison - 24.8" Max Chuck Diam Compatibility, Steel Tongue & Groove Hard Lathe Top Jaws - 2 Steps


Item #: 43901792
Brand: Bison
Model #: 7-883-5289
Exact Tooling IR#: 04

Features and Benefits

Top jaws, also known as hard or step jaws, hold a workpiece during an operation. They are reversible and are bolted onto the master jaw.
Product Specifications
Jaw Type Top Jaws
Jaw Interface Type Tongue & Groove
Maximum Compatible Chuck Diameter (Decimal Inch) 24.80
Number of Steps 2
Material Steel
Maximum External Chucking Diameter (Decimal Inch) 24.8000
Key Size (Decimal Inch) 0.8750
Distance Between Mount Hole Centers (mm) 76.20
Distance Between Mount Hole Centers (Decimal Inch) 3.0000

$1,117.42

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Bison - 25 to 32" Chuck Diam Compatibility, Steel Tongue & Groove Hard Lathe Top Jaws - 2.047" Wide x 5" Long x 3.228" High


Item #: 08570160
Brand: Bison
Model #: 7-883-425
Exact Tooling IR#: 04

Features and Benefits

Top jaws, also known as hard or step jaws, hold a workpiece during an operation. They are reversible and are bolted onto the master jaw.
Product Specifications
Jaw Type Top Jaws
Jaw Interface Type Tongue & Groove
Maximum Compatible Chuck Diameter (Inch) 32
Maximum Compatible Chuck Diameter (Decimal Inch) 32.00
Material Steel
Overall Width/Diameter (Decimal Inch) 2.0470
Overall Length (Decimal Inch) 5.0000
Minimum Compatible Chuck Diameter (Inch) 25
Number of Jaws 4
Overall Height (Decimal Inch) 3.2280
Fastener Size (Inch) 3/4-10
Distance Between Mount Hole Centers (Inch) 3

$1,250.98

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