Accessory Tooling


To visit a listed site, single click on the Company's Logo or Name.


Sterling Gun Drills
Offering a complete line of gundrilling accessories including coolant filters, filter bags, chip deflectors, anti-whip guides, drill regrinding systems and complete drilling systems as well as full technical support.

Ben-Tek Products Inc.
"The Standard by Which All Other Chip Box Seals are Measured". A complete line of whip guide inserts, chipbox seals, round hole inserts (for BTA), support bearings and bearing adapters.

International Drill Guide Inc.–
We stock plastic support bushings in the traditional or new quick change style for gun drills, reamers, and BTA tools. Chip Deflectors for gun drills are also stocked. Specials available.

Gundrilling Consultants
GF-1, and G-1 Gundrilling Grinding Fixture and Machines. GF-1 Fixture capable of both facet and slash grinds. G-1 CCD System includes camera, 40 x magnification, monitor and crosshair generator


Gundrilling Handbook
In-depth answers to all your deep hole questions. The “must read” manual for planners, engineers & shop personnel alike. Presents all aspects of the process in complete, precise detail.


The following sites are not linked. Phone numbers are provided.


Acme Industrial Co. (847) 428-3911– High-precision Liners (GDL bushings) and Inserts (GDI bushings) for Gundrilling.


Botek USA (630) 893-5300– A complete line of Conventional Gundrilling and BTA/Ejector accessories.




The Whip Guide Company (440) 543-5151– Designer and manufacturer of the "Gizmo", the original whip guide, and still the best!


R. B. Machine & Design, Inc. (262) 619-1233– Ultra-precision workholding devices for high precision machining & Gundrilling applications.



Yillik Precision Industries Inc. (864) 225-2214– Manufacturer of a complete selection of precision carbide GDI's (gundrill bushings).



phone: (203) 234-1714 ~ e-mail: drilldirect@sbcglobal.net