10 Pieces Step Drill Bit Set 1/4 Inch Hex Shank 5 Flute Countersink Drill Bit Set with 5 Inch Automatic Spring Loaded Center Punch and Bag for Wood Metal Plastic Glass (3/16-1/2 1/8-1/2 1/4-3/4 Inch)

Key features

• Package includes: there are 3 pieces of step drill bits, 6 pieces of 5 flute countersink drill bits and 1 piece of center punch in the package; Sufficient quantity and type are enough to meet your various needs, and you are able to share with your friends who need these home improvement accessories
• Step drill bit set: design in various sizes, 3/16-1/2inch, 1/8-1/2inch, 1/4-3/4 inch, they are made of high speed steel, coated by titanium, these step drills are resistant to heat, corrosion and rust, practical and durable
• Countersink drill bits set: made of quality carbon steel, the surface of the countersunk drill bits is plated with titanium to prevent rust; It is durable for you to use and can serve you for a long time; They are suitable for quick replacement and suitable for most power tools with the 1/4 inches hex shank, the cutting edge is hardened and polished to improve sharpness, all drill bits have a 90 degree angle at this point, allowing peaked and precise counter sinking
• Automatic center punch: automatic center punch is so effective that you are able to mark workpiece with a dimple to prevent screws and drills from wandering, helping you complete work accurately and quickly, save your time and energy
• Wide application: very suitable for drilling, reaming, chamfering, screw heads, etc.; Suitable for chamfering various types of materials such as wood, plywood, aluminum, iron, copper, fiberboard, particle board, plastic, PVC board, etc.