Amana tool 55193 Carbide Tipped Countersink with No Burning and No Marring Adjustable Depth Stop with No-Thrust BB, 3/8 D x 1/8 Dril D x 5/16 Inch Round SHK

A must have tool for every woodworker! Includes drill (slow spiral, High-Speed Steel (HSS) M2 fully ground drill bit).  This unique countersink features an adjustable, heavy-duty, revolving depth-stop with a no-thrust ball bearing for quick and easy adjustment of the countersink depth without scratching or burning surfaces. These tools combine Amana's well-known, long lasting carbide tipped countersinks with the unique, adjustable & heavy duty revolving depth-stoppers with a no-thrust ball bearing. Read review of carbide tipped countersinks. No burning, marring or scratching of surfaces A must-have tool for every woodworker Adjustable, heavy-duty, revolving depth-stop HSS drill bit included Industrial quality, carbide-tipped  Round shank 2-Wing With Amana's non-marring adjustable depth stop and no-thrust ball bearing, woodworkers can drill a pilot hole and tapered countersink in one step to help guide screws during project assembly. Users can adjust the depth of both the pilot hole and countersink so that the resulting opening is either flush with the surface or recessed. The resulting countersinks can be shallow to accommodate a screw only or deeper to allow for insertion of a plug. The countersink also features an opening to allow for chip evacuation in materials including hardwood, plywood, decking material, solid surface, and softwoods. Each cutting edge is manufactured from an Amana-exclusive carbide grade designed to deliver the highest quality of cut, maximum cutting efficiency prolonged tool life. The user-friendly design enables control of the drill length and its replacement, without the need to disassemble the depth-stop.  Excellent for Drilling: Natural Woods Man-Made Boards MDF Chipboard Plywood Aluminum/Non-Ferrous* Aluminum Composite Materials (ACM)* Composite Decking Materials   *WARNING!: For optimal results and extended tool life use lubricant or air cooling. Ensure the material is fixed and drill is stable while drilling.