Drilling a J-Head nozzle for a 3D Printer

The primary a part of the video reveals the tiny .35mm drill bit beginning to carry in the direction of heart as a result of the tail inventory was too low. It would not appear to be a lot, however these bits snap very easy. After putting some .006″ shims underneath the tail inventory it labored properly, though I do not suppose it was excellent. I would be prepared to wager the opening is nearer to .4mm, which ought to be effective.