12 PCS HSS Combined Center Drills Bit Set Countersink 60 Degree Angle 5/3/2.5/2/1.5/1 mm

Descrizione di 12 PCS HSS Combined Center Drills Bit Set Countersink 60 Degree Angle 5/3/2.5/2/1.5/1 mm

Drill accurate center holes in material prior to turning, or use as a bit for accurate holes
High speed steel (HSS) made, stable performance and Durable
and twisted drill will make the drilling be more easy and effortless
Straight shank design is more suitable for many electric drills and drilling machines
Suitable for metal

Accurate center hole drilling material before turning, or as a drill bit for precise drilling. Dimensions 1mm / 1.5mm / 2.0mm / 2.5mm / 3.0mm / 5.0mm Inclination 60 Degree
Material: HSS
Color: silver
How to use: 1. Traditionally, make a conical hole for the center of the lathe with centering and biting drills to create a starting point for standard twist drills to prevent the twist drills from traveling. 2. For processing between the center of the workpiece or production center components.
Package Contents: 12 x Center drill bit