CHARNWOOD PBD7 Pen Blank Drill, 7mm Diameter

Amazon

7mm Pen Makers Drill bit. Can be used in a drill chuck on the lathe or in a pillar drill. This HSS brad point drill is very precise. The first step to making a pen is to drill down the centre of the Blank to make a hole for the pen tube. Diameter: 7mm, Length: 95mm

Zoro Tools

Charnwood PBD7 Pen Blank Drill, 7mm Diameter PBD7