6Pcs Double-End Titanium Plated HSS Centering Drill Bit Set 1.0-5.0mm

6-piece HSS centre drill kit milling cutter for metalworking with 60 degree countersunk head lathe bit Description. Traditionally used to make tapered holes for lathe centres in order to create a starting point for twist drill standards, designed to prevent the twist drill from moving. Used for workpieces that require machining between part centres or production centres. Fast cutting speed and good chip evacuation. For precise centre drilling of metals. Suitable for machining iron, steel, copper, aluminium, etc. Each bit is double ended and ground to a standard angle By rotating between the tips, the front side of the workpiece receives the corresponding centring hole Material: HSS coated : Titanium coated Grade: 60 Included dimensions: 1.0mm 1.5mm 2.0mm 2.5mm 3.5mm 5.0mm Total length: 33mm, 36mm, 40mm, 43mm, 49mm, 60mm Package includes: 6 x HSS centre drill countersunk bits