3 Pcs HSS Steel Step Cone Drill Titanium Metal Hole Cutter Bit Set 4-12/20/32mm Saw Blade Diameter: 125mm/4

Saw Blade Diameter: 125mm/4

Step 4: Remove the drill counterclockwise from the rivet

Inserted Bit Sockets：SL4 5

Equipped with handle

3 Pcs HSS Steel Step Cone Drill Titanium Metal Hole Cutter Bit Set 4-12/20/32mm Saw Blade Diameter: 125mm/4Description: 2 fluted edges for faster, smoother cutting. Titanium coated to reduce friction and heat. High speed steel step drill, higher quality, and more durable than an ordinary twist drill. Works great in making a smooth, clean, and perfectly round hole. Suitable for punch holes through sheet metal, iron plate, aluminum plate, brass, wood, plastic, etc. Includes 3 sizes(4 12mm, 4 20mm, 4 32mm), which meet your different needs perfectly. Features: