1 4 unc thread dimensions
- 1 4 20 unc thread dimensions
- 1 3 4 unc thread dimensions
- 1 4 28 unc thread dimensions
- 1 4 20 unc 2b thread dimensions
- 1 4 20 unc 2a thread dimensions
- 1 4 20 unc thread dimensions in mm
- 2 1 4 unc thread dimensions
- 1 1 4 unc thread dimensions in mm
- 1 1 4 7 unc thread dimensions
- 1 1 4 8 unc thread dimensions