Maximize your high speed machining productivity.

BIG Kaiser offers a variety of HSK forms in all the popular sizes – they’re the most accurate and flexible HSK systems available. Achieve the highest level of precision and flexibility for your machining operations.

BIG Kaiser is a premium tooling company that manufactures precision tools and holders for Capto, HSK, CAT and, BT systems. Developer of the BIG-PLUS tooling system – for maximum performance on CAT and BT systems.

Big Kaiser


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Cast Iron
Stainless Steel High Temp Alloys

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Do You Have Machines with a BIG-PLUS Spindle?

Better Advice for: BT, CAT, Capto, HSK & BIG-PLUS

At BIG Kaiser we have premium quality holders and tools for all primary spindle types. Because of this, we have unique experience and objectivity to help you find the ideal tooling set-up for your application. We also offer a wide variety of modular solutions, accessories and adapters to help you get more capability out of your existing machines – and we have the expertise to help you put them to work.

Looking for more information on BIG-PLUS, BT, CAPTO, and CAT BIG Kaiser products?

Download the HSK product catalog

Fullcut Mill
Users of HSK A style machine spindles can increase the productivity of indexable endmills by using the integral design FULLCUT MILL. Available in diameters from [16-50mm], this superior cutting geometry combined with optimum length of tool will increase cutting efficiency by more than 300% over straight shank designs.  The one piece construction allows the cutter to gain access to confined work zones and reduces unnecessary tool projection for more speed, more feed, and more depth of cut.

Our products deliver measurable performance advantages for companies specializing in extreme-accuracy and high-efficiency applications. Test us. We’ll improve your most demanding applications, or we’ll take back our products – no charge.