3 Pack Countersink Drill Bit Set 5 Pcs Countersink Drill Bit Set 3in1 Countersink Drill Bit Set ?The Ultimate Woodworking Tools for Precision Screw Setting? Designed to drill, countersink, and counterbore in one simple step, this set is the ultimate solution for achieving flawless, flush screws. Equipped with 3 packs of countersink drill bits in various sizes #10,#12,and #16, this assortment covers all your needs for centered screw holes in both soft and hard woods. Premium Countersink Drill Bit Set of 5-piece? Designed for precision and ease: These professional-grade countersink bits are manufactured using the highest quality M2 HSS for outstanding durability and are perfect for craftsmen who demand excellence and reliability. This countersink drill bit set is engineered with an optimized 5-flute design , which minimizes vibration and removes chips more efficiently, resulting in a smoother surface finish. The 82-degree point angle is ideal for countersinking in various materials, creating a perfectly flush surface for screws and fasteners. The 1/4" quick-change hex shank system saves valuable project time by allowing for quick bit swaps without re-chucking, enhancing workflow efficiency. Whether you're working on carpentry,metalwork, or plastic fabrication, our countersink bit set delivers with precision and quality. 3in1 Countersink Drill Bit Set ? Enable you to Drill, Countersink and Counterbore in one step, ideal woodworking tools for setting screws flush with or below the surface of a material. Meet All Your Needs?3 packs of Countersink drill bits assortment in size#10 (1/8"), #12 (9/64"), and #16 (3/16") for perfect centered Screws Holes in both Soft and Hard Wood. Easy To Use?3 sharp edged 82-degree chamfer design Counter sink bits built with 1/4" Hex Shanks with groove for quick size changes without bit slipping, compatible with most electric drills and tools. 5 Pcs Countersink Drill Bit Set: Crafted with M2 High-Speed Steel (HSS) for ultimate durability and longevity, our precision-ground countersink bits maintain sharpness longer, ensuring consistent performance. 5 Pcs Countersink Drill Bit Set Versatile Sizes Angles: This comprehensive set includes sizes 1/4?, 3/8?, 1/2?, 5/8?, and 3/4? with a universal 82-degree angle, Our 5-flute design with 5 sharp blades offers smoother drilling and cleaner cuts, reducing chatter and providing flawless chamfers on a variety of materials including metal, wood, and plastic. When drilling metal, cutting oil will help a lot.