FTG USA Adjustable Wood Countersink Drill Bit Set 6 Sizes Set with Tapered Drill Bit for Woodworking

Bits secured with pin Never Come Loose from shank; Top Quality material components highly durable:Tapered drill bit HSS M2 (Grade 6542), by far the best High Speed Steel, for its high toughness, wear resistance, and good cutting edge retention; 4 cutter #45 Carbon Steel; featuring 5 Piece countersink #4 (7/64 inch), #6 (9/64 inch), #8 (11/64 inch), #10 (3/16 inch), #12 (7/32 inch) ; Drill, countersink and counterbore in 1 step; the countersink cutter providing superior speed and clean finish Adjustable 4-cutter counter bore, chamfer angle 82 degree, 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 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 at FTG USA specifications; 2 Adjustable depth Stop collar (1/2" and 3/8") included and 1 Hex Key 1/8" (Allen Wrench) included International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.