1. NPT, PT, G duntu waa ikhtiyaari.
2. Midabka gacmaha tuubada waa la habeyn karaa.
3. Nooc gaar ah oo ka samaysan xargaha ayaa sidoo kale la habeyn karaa
Dhuumaha inch | Dhuumaha Metric | ∅D | B |
SPU5/32 | SPU-4 | 4 | 33 |
SPU1/4 | SPU-6 | 6 | 35.5 |
SPU5/16 | SPU-8 | 8 | 39 |
SPU3/8 | SPU-10 | 10 | 46 |
SPU1/2 | SPU-12 | 12 | 48 |
/ | SPU-14 | 14 | 49 |
/ | SPU-16 | 16 | 68 |