Eachine 4pcs Hss Contersink Drill/step Drill/tapered Cone Drill/saw Dill

Description: 4pcs HSS Contersink Drill/ Step Drill/Tapered Cone Drill/Saw Dill Bit Titanium Coated Material: High Speed Steel 4241 Surface: Titanium Plated Handle: Hexagon Shank Quantity: 4pcs Weight: 265G Scop: Used for the hardness of the material which is below 25 like iron borad, steel board, PVC board, Insulation board, 4mm thickness within the timber, ect. Specification: Step drill : 4~12mm (4,6,8,10,12mm) 5 steps Saw Drill : 6mm Contrersink : 12.4mm 90 Degree Tapered cone drill : 8~20mm Features: High speed steel material, more durable. Titanium coated to reduce friction and run cooler No need for a pilot hole, can automatically deburr holes as you drill. 4pcs combination, can meet different demands. Working with water cooling, can effectively extend the service life of bit, drilling speed 250--400 recommended. Suitable for use in hardness under 25 artifacts, such as carbon steel plate, sheet iron, insulation board, PVC board,wooden board, plate thickness under 4mm. Package included: 1x 4-12mm Step Drill 1x 6mm Saw Drill 1x 12.4mm Contrersink 1x 8-20mm Tapered cone drill