Idayamitha yangaphandle yemigqa yokulawula ngokuyinhloko ingu-1/4'' (6.35mm).
Ubukhulu bebonda: 0.035'' (0.89mm), 0.049'' (1.24mm), 0.065'' (1.65mm).
Ishubhu yomugqa wokulawula iyatholakala ngobude ukusuka kumafidi angu-400 (amamitha angu-122) kuya ku-32,808 amafidi (amamitha angu-10,000).Awekho amashishi e-orbitally butt.
Okunye ukucaciswa (1/8'' kuya ku-3/4'') kuyatholakala ngesicelo.
| Usayizi we-Imperial | Usayizi wemethrikhi |
| OD intshi | WT intshi | OD mm | WT mm |
| 1/8 (0.125) | 0.028 | 3.18 | 0.71 |
| 0.035 | 3.18 | 0.89 |
| 3/16 (0.188) | 0.028 | 4.76 | 0.71 |
| 0.035 | 4.76 | 0.89 |
| 0.049 | 4.76 | 1.24 |
| 1/4 (0.250) | 0.035 | 6.35 | 0.89 |
| 0.049 | 6.35 | 1.24 |
| 0.065 | 6.35 | 1.65 |
| 0.083 | 6.35 | 2.11 |
| 3/8 (0.375) | 0.035 | 9.53 | 0.89 |
| 0.049 | 9.53 | 1.24 |
| 0.065 | 9.53 | 1.65 |
| 0.083 | 9.53 | 2.11 |
| 1/2 (0.500) | 0.035 | 12.7 | 0.89 |
| 0.049 | 12.7 | 1.24 |
| 0.065 | 12.7 | 1.65 |
| 0.083 | 12.7 | 2.11 |