DOETYD 5-Piece Countersink Drill Bit Set, Quick Change Woodworking Drill witn One Adjustable 1/4” Hex Shank, with Free Replaceable Drill Bits for Woodworking Self Countersink Drill Bit

QUALITY MATERIALS: Made of HRC 63-65 high speed steel, durable and wear-resistant. Ideal for #5, #6, #8, #10, or #12 screws with perfectly sized holes COMMONLY USED 82° ANGLE: These countersink bits are engineered to align with the frequently utilized 82° screws in woodworking WITH 1/4‘’ HEXAGONAL SHANK: Suitable for impact driver, power tool chuck, can meet the daily needs, compatible with most of the household electric drills MULTI-PURPOSE: Suits home & pro woodwork. Works on wood, composites, acrylic, MDF, etc. Drills, countersinks, counterbores in one step. Includes 5 drill bits CONVENIENT USE: All the countersink bits are neatly packed in a durable plastic case for easy organization and storage. Helps you do your job more efficiently and effectively