ITEM NAME:10Pcs 2.5mm Center Drill Countersinks 60 Degrees N2J9 10Pcs 2.5mm Center Drill Countersinks 60 Degrees N2J9 Great 60 degrees combined drill and countersinks Used for producing center holes in components or workpieces which requires machining between centers Made of great high speed steel Full Length: Approx. 1.8 inch / 45 mm Body Diameter: Approx. 0.2 inch / 6 mm Bit Diameter: Approx. 0.1 inch / 2.5 mm Package Included: 10 x Center drill Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Great 60 degrees combined drill and countersinks. 10 x Center drill. Used for producing center holes in components or workpieces which requires machining between centers.