New Drill Heads, Inserts and Pads Features BTA/STS and DTS/Ejector Style Deep-Hole Drilling Tools

Press Release Summary:

  • CVD- and PVD-coated inserts provides wear resistance and toughness
  • Provides resistance against built-up edges
  • Optimal for machining heat-resistant super alloys and also work well with ISO P, K, H and N materials

Original Press Release:

Sunnen Offers New Directdex Line to Replace Sandvik Deep-Hole Drilling Tools

New DirectDex line of drill heads and consumables are compatible and directly interchangeable with Sandvik’s CoroDrill® 800 deep-hole drilling tools.

ST. Louis, MO – September 2019 – Sunnen Products Company now offers a new series of drill heads, inserts and pads that are directly interchangeable with Sandvik deep-hole drilling tools. The new line, Sunnen DirectDexÒ, features BTA/STS (Single Tube System) and DTS/Ejector (Double Tube System) style deep-hole drilling tools designed to produce a low cost-per-bore with consistent performance. The new product series directly corresponds to the previously available line of Sandvik drill heads, inserts, and guide pads, with additional product series set to be released soon.

CVD- and PVD-coated inserts are available in two grades, providing excellent wear resistance and toughness. The CVD-coated inserts are optimal for machining heat-resistant super alloys and also work well with ISO P, K, H and N materials. The PVD-coated inserts are specifically designed for ISO P, K, H and N materials, and also provide resistance against built-up edges.

“We are excited to be able to fill the recently created void in the market for Sandvik-style tooling,” said Chris Miltenberger, President and COO of Sunnen Products Company. “This is congruent with our strategy to be the one source solution for systems and tooling related to bore machining, whether the process used is deep-hole drilling, skiving/roller burnishing, lapping, or honing.”

Sunnen’s core technical competencies include automated and manual systems, custom system development and integration, abrasives, tooling, cutting fluids and bore gaging. Through acquisition and new product development, Sunnen has expanded from its honing expertise to include tooling for initial hole creation and other complementary bore sizing and finishing processes such as trepanning, counterboring and form boring.

Headquartered in the US, Sunnen employs 650 people worldwide, with offices, manufacturing and tech support facilities in Europe, China, India and Brazil. For additional information contact: Sunnen Products Company, 7910 Manchester Rd., St. Louis, MO 63143. Tel: 1-800-325-3670; fax: 314-781-2268 or email

Sunnen Contact

Bob Davis

Global Communications Mgr.

Sunnen Products Company

Tel: 314.781.2100

Editorial Contact

Jeff Drum

Kemble & Drum Communications

Tel: 513-871-4042

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