Hillary Machinery supplies BISON workholding and machine-tool accessories for CNC turning, milling, conventional machining and precision manufacturing applications. Bison products include manual and power chucks, hydraulic cylinders, precision vises, rotary tables and indexing fixtures, live and dead centers, VDI toolholders, collets, jaws and replacement workholding components.

Whether you are replacing an existing lathe chuck, tooling a CNC turning center, adding a rotary table, selecting a precision vise or identifying replacement parts, Hillary Machinery can help determine the appropriate Bison product for your machine and application.

Get 15% OFF Bison Workholding Products

Request discounted pricing on Bison manual and power chucks, rotary cylinders, vises, rotary tables, centers, toolholders, collets, jaws and related workholding products from Hillary Machinery.

Request 15% OFF Bison Pricing
Need Help Identifying a Bison Product?

Send us the Bison model or part number, machine make and model, chuck size, spindle nose, workpiece information or application details. If you do not know the exact part number, our team can help identify the correct product.

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Bison Manual Lathe Chucks

Bison manual lathe chuck

Bison manufactures an extensive range of manual lathe chucks for engine lathes, toolroom machines, CNC applications and specialized workholding requirements.

Manual Chuck Products

  • 3-jaw self-centering scroll chucks
  • 4-jaw self-centering chucks
  • 6-jaw self-centering chucks
  • Independent chucks
  • Precision chucks with fine adjustment
  • Combination / Wescott chucks
  • Self-centering wedge-bar chucks
  • Double jaw-guide chucks
  • Oil-country and large-through-hole chucks
  • Chucks for small turning diameters
  • Special-purpose chucks
  • Collet chucks
  • Adjustable collet chucks
  • Face plates

Bison manual chucks are available in multiple diameters, jaw configurations, body materials and mounting arrangements for inch and metric machines.

Request Bison Manual Chuck Information & Pricing


Bison Power Chucks & Rotary Cylinders

Bison power chuck and rotary cylinder

Bison power chucks and rotary cylinders provide automated workholding for CNC lathes, turning centers and production turning applications.

Power Workholding Products

  • Hydraulic power chucks
  • Through-hole power chucks
  • Closed-center power chucks
  • Self-contained power chucks
  • Hydraulic rotary cylinders
  • Power chuck jaws
  • Mounting and actuation components

Bison offers power chuck configurations for standard CNC turning as well as large-diameter and through-hole applications.

Request Power Chuck & Cylinder Information


Bison Precision Machine Vises

Bison precision machine vise

Bison manufactures precision machine vises for milling, drilling, inspection, toolroom and production machining applications.

Bison Vise Products

  • Precision machine vises
  • Machine vises
  • Toolmaker and inspection vises
  • Bench vises
  • Manually operated presses
  • Replacement vise jaws and components

Request Bison Vise Information & Pricing


Bison Rotary Tables, Indexing Fixtures & Milling Workholding

Bison rotary table and milling fixture

Bison's rotary tables, indexing fixtures and milling workholding provide positioning and clamping solutions for milling, drilling and multi-sided machining applications.

Milling & Indexing Products

  • Rotary tables
  • Indexing fixtures
  • Indexing plates
  • Tailstocks
  • Box jaws
  • Bases
  • Swivel angle plates
  • Mounting and positioning accessories

Bison currently offers rotary tables in multiple table sizes for manual positioning and indexing applications.

Request Rotary Table & Milling Fixture Information


Bison Live Centers & Dead Centers

Bison live and dead centers provide workpiece support for precision turning, shaft machining and between-centers applications.

Lathe Center Products

  • Precision live centers
  • High-speed live centers
  • Heavy-duty live centers
  • Hollow-tip live centers
  • Bull-nose centers
  • Interchangeable-tip center sets
  • Carbide-tipped dead centers
  • Special-purpose centers

Request Bison Center Information & Pricing


Bison VDI Toolholders

Bison VDI CNC toolholder

Bison manufactures VDI toolholders for CNC turning centers using standardized VDI turret interfaces.

VDI Toolholding Products

  • Square-shank VDI toolholders
  • Round-shank VDI toolholders
  • Radial toolholders
  • Axial toolholders
  • Boring-bar holders
  • ER collet chuck holders
  • Internal and external coolant configurations

Bison's current U.S. catalog includes both square- and round-shank VDI toolholding families.

Request Bison VDI Toolholder Information & Pricing


Bison Chuck Jaws, Replacement Parts & Workholding Accessories

Bison chuck jaws and replacement workholding parts

Hillary Machinery can assist with replacement components and accessories for Bison chucks, vises, milling fixtures and VDI toolholders.

Chuck Parts & Accessories

  • Hard jaws
  • Soft jaws
  • Top jaws
  • Chuck keys
  • Pinions
  • Scrolls
  • Adapter plates
  • Mounting components

Other Replacement Components

  • Power-chuck jaws and components
  • Vise jaws and vise parts
  • Milling-fixture accessories
  • Rotary-table accessories
  • VDI toolholder replacement components

Request Bison Jaws, Parts or Accessories

Need Help Selecting the Correct Bison Workholding?

For the most accurate recommendation, include as much of the following information as possible:

  • Machine manufacturer and model
  • Existing chuck, vise, center or fixture model
  • Bison model or part number, if known
  • Spindle nose or mounting configuration
  • Required chuck diameter
  • Number of jaws
  • Required through-hole or bar capacity
  • Workpiece diameter, length and weight
  • Material being machined
  • Maximum spindle speed
  • Hydraulic requirements when applicable
  • Photos or drawings when available

Email Your Bison Application

Bison Workholding Support from Hillary Machinery

Hillary Machinery supplies machine-tool workholding, replacement parts and technical support for CNC and conventional machining applications. We can assist with new Bison workholding, replacement components, machine compatibility and application requirements.

Replacement Parts   |   CNC Machine Tool Service