Feiruifan High Speed 4-32mm Triangle Spiral Step Conical Cone Drill Bit Hole Cutter Tool

Specifications: Unique step structure that works with most hand drills. Take the guessing out of drilling by supplying the proper depth for you. Easy to Use. Type: Step Drill Bit Material: HSS4241 Step/Drilling Size: 4-32mm Features: Spiral Durable Hole Cutter Handle Diameter: 10mm/0.39 (Approx.) Total Length: 100mm/3.94 (Approx.) Notes: Due to the light and screen setting difference the item s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Step Drill Bit