Description of Titanium Coated Two Flute Design 4 32Mm
【Faster penetration without chipping】- They also help to enlarge existing holes. The two flute design tips made the penetration faster without chipping. 【Two-flute design】- Two-flute design gives you faster, smoother cutting, are ideal for drilling metal and plastic material. 【Titanium coating】- Quick-change 1/4 hex shank, Titanium coating for cooler running. 【High quality HSS material】- These step drill bits are made of high quality HSS material, and treatment with Titanium, high hardness and durable in use. 【Exclusive satisfaction guarantee】- All products sold by our brand, we will give the strict assurance of the quality, if there have any quality problems, please contact us. Hope you can feel comfortable to buy and use.