YIYITOOLS Titanium Twist Drill Bit Set 21 Piece Fit for Cutting Hard Metals，Such as Stainless Steel, Aluminum Alloy and Titanium Alloy 21 Pieces

21Pc Drill bits include: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32,23/64, and 3/8inch.and more to help add more versatility and applications to your screwdrivers and drills making them ideal for any handymen or craftsmen. Firm And Secure Hold: Our drill bit set for impact driver maintain a secure connection to help minimize drops and reduce wobbling to offer more precision and control making them just right for seasoned pros and newcomers. Durable And Sturdy Build: Our drill bit set is made using stainless steel that are durable and sturdy enough to handle daily use even in the long run. They are corrosion resistant, easy to maintain, and a breeze to organize.Titanium coating can extend the life by 5 times. Advantage: Precision grinding inclined blade helps ensure fast drilling, impressive cutting power, and excellent chip removal.