2600 Huntington Boulevard

Hoffman Estates, IL 60192 US


A Message from BIG KAISER

Company Profile

BIG KAISER is a worldwide leader in high precision tooling systems and solutions for the metalcutting industry that guarantee extreme accuracy and repeatability.

BIG KAISER Expands Smart Damper Lineup with the Addition of EWN & EWD Smart Damper Boring Heads

BIG KAISER introduces the EWN & EWD Smart Damper - precision boring heads with a patented damping system to eliminate vibration in deep-hole finish boring.

BIG KAISER’s Mega Perfect Grip Milling Chuck Eliminates Pullout During Heavy Duty Milling

BIG KAISER introduces the Mega Perfect Grip from BIG Daishowa, a simple to handle, heavy-duty milling chuck for heat resistant super alloys (HRSA) that eliminates end mill pullout under heavy torque loads.

As Seen In Production Machining

mini boring bar

Mini Indexable Bar Bores Small Parts
Big Kaiser’s 4-mm mini indexable boring bar is especially useful for small component machining.

Students participating in the National Robotics League

Big Kaiser Raises Money for Workforce Development Program
The company will donate 2 percent of orders made by NTMA companies through the end of the year directly to the National Robotics League.

Capto C4

Capto C4 Tool Holder Rotates and Turns for Lathes
Big Kaiser expands its range of Big Capto toolholders with a size addition, C4, which is a quick-change system for turret tooling on lathes.

hydraulic chucks

Hydraulic Chucks Clamp in Three Turns
Big Kaiser introduces hydraulic chucks for Swiss lathes.

Big Kaiser cutting tool

Multifunction Cutter Starts Holes in Solid Pieces
The C-Centering cutter uses a specialized insert that can start a hole from a solid piece, according to the company.

Gillian Campbell

Big Kaiser Announces New Marketing Communications Manager
Gillian brings more than 20 years of experience in content strategy to the role. She has worked on the marketing teams for several manufacturers—most recently at a precision metrology company.

Tightening fixture for collet chucks

Torque Fit Tightening Fixture Ensures Precision
Big Kaiser’s Torque Fit is a tightening fixture that is designed to ensure that a collet chuck is correctly tightened.

Ceramic tape gage

Dyna Contact Gage Inspects Machine Spindle Tapers
Big Kaiser’s Dyna Contact precise ceramic taper gage is used to check the geometric accuracy of a machine spindle taper by visually comparing the contact of the gage to the spindle.

Touch sensor

Base Master Red Touch Sensor Ensures Accurate Operations
Big Kaiser’s Base Master Red is a high-precision touch sensor that can be used with machines and materials, including non-conductive cutting tools, workpieces and machine tools.

Big Kaiser Tech Presentation

Big Kaiser Covers Key Topics at Breakfast & Learn
Big Kaiser Precision Tooling held its annual 3-day Breakfast & Learn event, with technical presentations and an open house that featured demonstrations of the company’s tool presetters, tooling, and zero-point workholding solutions.

Level Master Wireless

Level Master Wireless Allows Simultaneous Measurement
Big Kaiser’s Level Master Wireless supports an accuracy of up to 0.01 mm/1 m and allows simultaneous measurement with multiple detectors.

old black and white picture of man operating old machine

Big Kaiser Celebrates 70 Years
It has been 70 years since Mr. Kaiser started his success story with strong will, much faith and a little bit of luck. Many things have changed in the world of manufacturing and technology, but the quality standards of Big Kaiser Precision Tooling are unchanged, the company says.

Clamping system

Uniflex Clamping System Designed to Hold Uneven Parts
Big Kaiser’s Uniflex 3D zero-point clamping system provides vibration-free holding of the part when multiple clamping is used and has low-wear against tools.

Chamfering tool

Modular Round Chamfering Tool Cuts in Tight Spaces
Big Kaiser’s R-Cutter CKB type is a modular round chamfering tool that offers an insert geometry that is said to provide extreme sharpness.


HDC Straight Shank Toolholder Handles Clearance Applications
Big Kaiser’s HDC Straight Shank holder has a slim design that provides balance, concentricity and reach for confined areas and can be clamped into other base holders to extend overall reach of the tool assembly and avoid the need for special tools. 

Hydraulic chuck

Chuck Clamps Ultra-Small End Mills without Reduction Sleeve
Big Kaiser’s super slim type of hydraulic chucks (HDC) for HSK-E25 machine spindles are toolholders that can clamp ultra-small end mills and drills directly, without needing a reduction sleeve.

Rough boring heads

SW Smart Damper Rough Boring Heads Absorb Vibration
Big Kaiser’s SW Smart Damper rough boring heads with CKB modular connection system’s damping capability minimizes the effects of high frequency oscillations, absorbing vibration effectively and allowing higher machining accuracy.

Mega New Baby Chuck 25N

Mega New Baby Chuck 25N is Designed for High-Speed Cutting
Big Kaiser’s Mega New Baby Chuck 25N is available up to a diameter of 1" clamping for drills, reamers and finishing end mills with .00004" runout accuracy, is designed for high-speed cutting and guarantees a 1 micron runout at the collet nose. 

Mega ER Grip

Mega ER Grip Designed to Outperform Standard ER Systems
Big Kaiser’s Mega ER Grip was designed to outperform all standard ER systems in the four most critical areas of tool holder performance: clamping force, concentricity, rigidity and balance at high spindle speeds.

Big Kaiser Donates to National Robotics League
The donation was the result of a year-end promotion by Big Kaiser, giving back to the association a percentage of every order by an NTMA member company.

Product Categories of BIG KAISER

All Other Workpiece Handling, Loading and Feeding Equipment not specified
Angle & Sub Plates
Arbors (for Cutters)
Boring Tools
Boring Tools & Heads for Machining Centers
Boring Tools for Turning Machines
Calibration Equipment
Chamfering Tools
Chucks, Collet Type (for Workholding)
Chucks, Index
Chucks, Precision
Chucks, Special
Clamps & Fixturing Devices
Collets for Toolholding
Collets, Solid and Master
Coolant Delivery Systems
Drill Chucks
Drilling Attachments
End Mills
Facing Tools/Heads
Fixturing Systems
Gages - Mechanical
Grooving Tools
Inserts, Indexable (Carbide, etc.) & Tool Inserts
Maintenance & Repair
Milling Cutters
Milling Heads/Attachments
Nano & Micro Machining Equipment
Pedestal Type Fixtures & Tombstone Blocks
Probes, Electromechanical
Retention Knobs
Robot Tooling/Grippers
Tap Drivers & Attachments
Tool Blanks
Tool Condition Monitoring Systems
Tool Conditioning Equipment
Tool Crib Control Software
Tool Presetters
Tool Repair, Coating & Treatment Services
Tool Storage & Handling Systems
Tooling Systems, Modular and/or Quick-Change
Vises & Vise Jaws
Vision Systems
Workholding, Custom

Trade Names

Tool Pro