Boring Heads are offered with chamfer rings.

Press Release Summary:

Small-diameter boring tools of 112 series are available with chamfer rings for sequence chamfers on bore diameters from .496-1.248 in. Existing tools can be retrofitted to perform additional fixed 45° chamfer in same boring operation. Chamfer ring slides over boring bar and locks into place with one screw. Made from aluminum, rings are designed for 12 mm and .625 in. dia boring bars and have minimal affect on tool balance.

Original Press Release:

New Chamfer Rings Provide Additional Features for Existing Kaiser 112 Series Boring Heads

Elk Grove Village, IL - BIG Kaiser Precision Tooling Inc. now offers chamfer rings for the popular 112 series small diameter boring tools for sequence chamfers on bore diameters of 12.6mm (.496") to 31.7mm (1.248").

Existing tools can now be easily retrofitted to perform an additional fixed 45 degree chamfer in the same boring operation. The chamfer ring slides over the boring bar and is locked into place with a single screw. The rings are designed for Ø12mm and Ø.625" boring bars.

The rings are made from aluminum, so tool balance is minimally affected. Standard VC inserts are available for steel, cast iron and aluminum operations.

BIG Kaiser Precision Tooling is a leader in high precision tooling systems and solutions. With brands including Kaiser, BIG Daishowa, Speroni, Unilock, Sphinx, and more, BIG Kaiser's line is focused on extreme accuracy and repeatability. BIG Kaiser's mission is to support North American manufacturers with products that are designed and manufactured to a superior standard. Guaranteed.

For more information about Chamfer Rings, Kaiser Boring Tools or other BIG Kaiser products, contact BIG Kaiser, Elk Grove Village, IL, 888-TOOL-PRO / 888-866-5776, e-mail or visit

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