Ingasetyenziselwa ukugoba, ukuba isixhobo esisisikweri sisetyenzisiwe, sinokuqhuba ubuso bokuphela, ukusikwa kwangaphandle, ukukruqula njl.
Umba NO. |
| A(ngaphakathi) | B(ngaphakathi) | C(ngaphakathi) | Uluhlu lokubamba (ngaphakathi) | Uluhlu lwebit (ngaphakathi) |
550-110 | 250-110 | 7/8 | 2-1/2 | 1-9/16 | 3/16-1/2 | 3/4×3/8×1/4 |
550-210 | 250-210 | 1 | 2-5/8 | 1-3/4 | 1/4-5/8 | 3/4×3/8×1/4 |
550-310 | 250-310 | 1-3/16 | 3-1/8 | 2 | 1/2-3/4 | 3/4×3/8×1/4 |
550-410 | 250-410 | 1-7/16 | 3-3/4 | 2-1/2 | 1/2-1 | 3/4×3/8×1/4 |