Top Quality material components highly durable: Tapered drill bit HSS M2, by far the most popular High Speed Steel, for its high toughness, wear resistance, and good cutting edge retention; 4 cutter #45 Carbon Steel; featuring 3 Piece countersink #6 (9/64 inch), #8 (11/64 inch), #10 (3/16 inch) ; Drill, countersink and counterbore in 1 step; the countersink cutter doesn't clog up providing superior speed and clean finish
Adjustable 4-cutter counter bore cuts and clears chips quicker for fast, smooth countersinking; the countersink works effortlessly even after many uses; it makes clean and consistent tapered holes for screws without the need of a stop collar; Counterbore size 3/8", Plug size 3/8"
Tapered drill pointed tip with widened flutes for drilling fast, clean pilot holes and ensures tight fit for screws; tapered drill bits can be replaced with a replacement bit of the same type and sizes for extended life; Logo brand laser printed on each countersink shank offering confidence in product authenticity
Quality built counter bore attaches to flats on shank with 2 hex screws for a secure fit and can be adjusted for controlled pilot hole depth
Universal 1/4 inch hex shank prevents slipping in standard chucks and is compatible with all 1/4 inch quick-change chucks, including impact drills; this product is Professionally manufactured in China; Hex Key (Allen Wrench) included