Toofit HSS Steel Titanium Step Drill Bit, Step Cone Metal Steel Woodworking Wood Drilling Cutting Tool 4 to 32mm 1pc

Description Brand Name: TOOLFITDIY Supplies: Woodworking Type: Twist Drill BitMaterial: High Speed Steel Use: Wood Drilling  length: 65mm, 69mm, 75mm, 105mmFuction: Wood DrillingFeature 1: Drill BitFeature 2: Drilling ToolsFeature 3: Dremel DrillingFeature 4: Dremel Drill BitsFeature 5: Dremel AccessoriesFeature 6: Electric Drill Accessories  Name:  HSS Core Drill BitsMaterial: HSS 4241.Surface treatment: Titanium Coated. Features: HSS Steel Large Step Cone Drill Titanium Bit Set Hole Cutter, which is made from  high quality HSS steel, and with the Titanium coated to reduce friction and heat. Deburring, chamfering, elliptic hole enlargement, twist drill, the function of them was unable, but it is possible. The use of tools: drill, bench drill. Work while water cooling can effectively extend the service life of drill bit  recommend drilling rate of 250-250 RPM Products can be used in automotive machining, aerospace, metal processing, installation and maintenance of electrical and other