六角凸缘防松螺母 DTF-CO
△ 材料:碳钢、合金钢、不锈钢
△ 机械性能等级:8、10、12
螺纹规格 D | M12 | M14 | M16 | M18 | M20 | M22 | M24 | M27 | |
螺距 | 粗牙 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 | 3 |
细牙 | 1.25 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 2 | |
S | 18 | 21 | 24 | 27 | 30 | 34 | 36 | 41 | |
dc | 23 | 25.5 | 29 | 33 | 36 | 41 | 43 | 49 | |
c | 2.1 | 3.0 | 3.4 | 4.2 | 4.2 | 4.2 | 5.3 | 5.3 | |
m | 12 | 14 | 16 | 18 | 20 | 22 | 24 | 27 |