MODRATEC Useful Data (otherwise known as MUD) is a series of pages containing helpful information particularly relevant to rail modellers. The tables on this page use our easy-to-compare format to show tapping drills suitable for UNF threads. |
![]() |
![]() |
![]() |
Follow @modratec | Our Twitter stream |
Tapping Drill Sizes for UNF ThreadsThe following tables show the range of drill sizes suitable for tapping UNF (Unified National Fine) screw threads. The first table gives general information about UNF threads - the thread angle, and, for each size, the nominal diameter and thread pitch. Please also read the general comment on the Tapping Index page.
For affordable and effective Web Hosting, MODRATEC uses and recommends Hosting Bay |
I am a signalling enthusiast and thoroughly enjoyed playing with SigScribe, mainly using it to design a locking frame for my previous layout. Thank you for making such a fascinating product available. (Ian) |
© 2004-2013 MODRATEC, Australia. All rights reserved.