3Pcs 1/4 Inch Hex Shank HSS Titanium Coated Step Drill Bit Set 4-12/4-20/4-32mm
$ 39.93
1These step drill bits are made of high quality HSS material, and treatment with Titanium, high hardness and durable in use 2These step drill bits are ideal for drilling metal and plastic material 3Two-flute design gives you faster, smoother cutting 4Quick-change 1/4 hex shank, Titanium coating for cooler running 5They also help to enlarge existing holes
