Boring Bars include vibration dampening mechanism.

Press Release Summary:

Featuring dampening mechanism that eliminates chatter, Anti Vibration X-Bars produce fine finishes at up to 6x length of diameter. With shank sizes ranging from 0.500-1.000 in. dia, bars are coolant thru and available with CCMT, TCMT, and TPMT style inserts for variety of chipbreakers. They are suited for deep hole boring, step boring, bottom facing, and copying.

Original Press Release:

Sumitomo's New X-Bar Boring Bars Feature a Dampening Mechanism to Eliminate Vibrations

Mount Prospect, IL - Sumitomo Electric introduces the revolutionary Anti Vibration X-Bar, for deep-hole boring. The X-Bar features a special dampening mechanism that eliminates chatter, resulting in extremely fine finishes and extra long tool life.
Ideal for extended overhangs, the X-Bar provides smooth finishes at up to 6X the length to diameter. Both cost-competitive with a solid carbide bar and performance-superior to a steel bar, the X-Bar is the best option for deep hole boring.

The X-Bar is ideal for step boring, bottom facing and copying. All X-Bars are coolant thru and available with CCMT, TCMT and TPMT style inserts in a wide variety of chipbreakers - including the new ELU and ESU. Shank sizes range from 0.500 - 1.000" diameter.

Sumitomo Electric Carbide, Inc. is a world leader in both research and development and the production of tools including inserts, drills, endmills, and steel products for metal cutting industries worldwide. Sumitomo has pioneered state-of-the-art chipbreakers and insert geometries, setting industry standards. Sumitomo's inserts are available for every application from heavy roughing to fine finishing, including complex carbides, ceramics, PCBN, PCD, composite cermet materials and multi-layer aluminum oxide with compound substrate coatings.

For more information, visit our IMTS Booth #E-2136 or contact Sumitomo Electric Carbide Inc., 1001 Business Center Drive, Mount Prospect, IL 60056, Phone: (800) 950-5202, Fax: (847) 635-9335, e-mail:, or visit the Sumitomo Web site at

Sumitomo Electric Carbide Inc.
1001 Business Center Drive
Mount Prospect, IL 60056
(800) 950-5202
Contact: Paul Ratzki
Fax: (847) 776-9901

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