ATOPLEE 5pcs Industrial Tools HSS Lathe Mill Center Drill & Countersink Set 60 Degree Included Angle,Size 1 1.5 2.5 3.15 5mm

ATOPLEE 5pcs Industrial Tools HSS Lathe Mill Center Drill & Countersink Set 60 Degree Included Angle,Size 1 1.5 2.5 3.15 5mm

• Material HSS ;Color :Silver Tone
• Standard 60 degree included angle
• Sizes #1, #2, #3, #4 and #5 , 60° tip angles.
• Body diameter: 3,4,6,8,12mm; Drill tip diameter：1，1.5，2.5，3.15,5mm
• Package Included:5pcs HSS Center Drills

Specification:<br> This listing is for a set of 5 HSS Center Drills <br> It includes 1 each of sizes #1, #2, #3, #4 and #5 <br> Each drill has a double end and is ground with a standard 60 degree included angle <br> The set includes 1 each of the following sizes: <br> #1 with 3mm body diameter & 1mm drill tip diameter <br> #2 with 4mm body diameter & 1.5mm drill tip diameter <br> #3 with 6mm body diameter & 2.5mm drill tip diameter <br> #4 with 8mm body diameter & 3.15 drill tip diameter <br> #5 with 12mm body diameter & 5mm drill tip diameter <br> <br> Usage: <br> <br> Center and spotting drills are traditionally used to make a conical hole for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking <br> Used for producing center holds in components or work pieces with require machining between centers <br> <br>