Luckyway 25PCS Cobalt Drill Bit 1/16"-1/2", Countersink Drill Bit 1/4"-5/8"

Key features

• 21-Piece Cobalt Drill Bit Set Pro- Includes metal drill bits: 1/16"(*2), 5/64"(*2), 3/32"(*2), 7/64"(*2), 1/8"(*2), 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 5/16", 3/8", 1/2"; 1pc 2 Inch PH2 Screwdriver Bit for free
• 4-Piece Cobalt Countersink Drill Bits Set Pro- Includes 1/4", 3/8", 1/2", 5/8"; Meets all requirements of the matching drill bit
• All Made 5% Cobalt M35 HSS-Engineered for stainless steel, alloy steel, and other hard metals. Designed specifically for hard materials
• Titanium Aluminum Nitride Coating - Increases surface hardness to 94HRC with outstanding heat-resistance, so your drill bit cuts fast and stay sharp
• Specifically Crafted Bullet Point - Sharp and self-centering tip minimize wandering and provides precise and accurate drilling. Compared with the ordinary drill, this kind of drill is easier to use for metal drilling
• 3-Flute spiral groove Design for Smooth Cuts- Countersink drill bits with 3-Flute spiral groove geometry reduces vibration, distributes cutting forces evenly, and ensures stable, smooth cuts with minimal burrs—perfect for counter sink bit for hard metal.
• Universal Shank Design- 3-flats shank for metal drill bit to reduce spin-out in the chuck; 1/4" hex shank for countersink drill bit fits drills and electric screwdrivers securely.
• 90 Days Warranty - In the event that you are not completely satisfied with your purchase for any reason, please reach out to us, and we will gladly provide a 105% refund or replacement.

Free shipping included. 30-day hassle-free returns.