About This Bit secured with pin Never Comes Loose from shank; Top Quality material components highly durable: Tapered drill bit 3rd Party Tested 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; #6 countersink featuring a 9/64 inch tapered and fluted drill bit HSS M2 ; Drill, countersink and counterbore in 1 step 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; Counter-bore 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 bit can be replaced with a replacement bit of the same type and size for extended life; Logo brand laser printed on each countersink shank offering confidence in product authenticity THIRD-PARTY TESTED by US Accredited Lab - HSS M2 Grade 6542 countersink drill bit for wood with tapered drill bits.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; Counterbore size 3/8 inch, plug size 3/8 inch. Packaging set combination/design protected by US Copyright Office Overview Material : Drill Bit High Speed Steel M2 (Grade 6542); Cutter #45 Carbon Steel Cutting Diameter : 9/64" Inches Finish Type : Black Oxide Shank Type : Straight Cutting Angle String : 82 Degrees
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