I came up with this idea since I could not get a mandrel with an 0.6MM pitch cut on a lathe locally . This would have helped to hold the section internally . Also for bock 6 nib , I was working with an a tap of M7.9x0.6 since I did not have a die . These dies are not available in India and for an import it's any up to 3-4 weeks . This compelled me to device a way to produce sections safely since holding it externally by the section threads broke a few .
My procedure is as follows
1. I cut a blank of 32.7 mm and cut a tenon of 8 MM on which M10x1 is threaded .
2. I then drill a hole of 7.3 Mm through the section.
3. Then I drill a hole of 8.2 for 17.8 MM . This is to accommodate the nib housing portion without the threading .
4. After this i Cut threads of M7.9x0.6 on the 7.3 hole beyond the 17.8 MM distance .
5. Then I load the drilled and tapped section on to the mandrel and turn it comfortably and finish it .
6. As a last step I hold the section thread In a M 10x1 Mandrel and finish the nib side .
7. The entire process did not take more than 15 minutes to finish the section safely without an iota any fear .
My procedure is as follows
1. I cut a blank of 32.7 mm and cut a tenon of 8 MM on which M10x1 is threaded .
2. I then drill a hole of 7.3 Mm through the section.
3. Then I drill a hole of 8.2 for 17.8 MM . This is to accommodate the nib housing portion without the threading .
4. After this i Cut threads of M7.9x0.6 on the 7.3 hole beyond the 17.8 MM distance .
5. Then I load the drilled and tapped section on to the mandrel and turn it comfortably and finish it .
6. As a last step I hold the section thread In a M 10x1 Mandrel and finish the nib side .
7. The entire process did not take more than 15 minutes to finish the section safely without an iota any fear .
