6Pcs Hss Step Drill Bit Set High Speed Steel with Automatic Center Punch Total 50 Sizes with Aluminum Case

Z-LEAP 6Pcs Hss Step Drill Bit Set High Speed Steel with Automatic Center Punch Total 50 Sizes with Aluminum Case

• 【Product Configuration】5 inch size triangle shank titanium-plated step drills, 1 gold center punch. 5 pcs step drill bits enable 50 sizes - each step drill bit can drill several bore diameters. It can work as 50 pcs twist drill bits
• 【6PCS- 50 Step Sizes】 Sided cutting and cutting X-shaped openings design ensures faster and smoother; 3 surface of the shank designed to prevent slippage drill chuck, can penetrate wood, sheet metal, steel and other surfaces
• 【HSS with Titanium Coating】 Industry grade fully ground high speed steel with titanium coating ensures strong wear-resistance and durability.
• 【EASY TO STORE】 Set includes a sturdy blow molded organizing case for secure storage and easy carrying
• 【Wide application】 High-speed steel 4241, suitable for workpieces whose thickness is less than 5MM and temperature is below 25°, such as carbon steel, iron plate and steel plate.