Features：
*Unique ladder structure , it can open multiple Aperture
*it can not easily be broken.
*It can deburr, chamfer and open hole, but ordinary spiral drill can't
*6-60mm(12 steps:6,10,15,20,25,30,35,40,45,50,55,60mm)
*The actual item has slight scratches, please make sure you don't mind before purchasing.
Specifications：
*Product name: Step Drill Bit
*Material: High Speed Steel
*Color: Silver
*Size: 6mm-60mm/0.24inch-2.36inch (6,10,15, 20, 25, 30, 35, 40, 45, 50, 55 , 60mm)
*Suitable for: deburr, chamfer and open hole
*Quantity: 1pc
Package Content：
1*Step Drill Bit
Note：
1.Transition: 1cm =10mm =0.39inch.
2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
3. Please allow slight manual measurement deviation for the data.
