قدم | 1/4 "BSP | 3/8 "BSP | 1/2 "BSP |
ق / ن | 20sf | 30sf | 40sf |
ق / ن | 20sm | 30sm | 40sm |
قدم | O9 | ø11 | ø14 |
ق / ن | 20sh | 30sh | 40sh |
قدم | ø5x8 | ø6.5x10 | ø8x12 |
ق / ن | 20sp | 30sp | 40sp |