Dtacke Metric 10mm-45mm/0.39"-1.77" Triangle Round Handle Step Drill Bit Set Titanium Coated Pagoda Hole Drilling Bit for Wood Metal Steel
- 8 step:10,15,20,25,30,35,40,45MM/0.39",0.59",0.78",0.98",1.18",1.37",1.57",1.77"
- Round Shank HSS Titanium Coated 10mm-45mm/0.39"-1.77" Step Drill Bit for Carbon Steel
- With the Titanium coated to reduce friction and heat.Two flute design for smoother cutting