Double End Studs, b1=1.25d
Q 121 双头螺柱 b1=1.25d [一端粗牙，一端细牙]
See all versions and complete specifications: Double End Studs, b1=1.25d — Full Specification Page
| Size | P | k_max | k_min | s_max | s_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|
| M8 | (M10×1) | 12.9 | 11.1 | 10 | 9.64 | 12 | 2.5P |
| M10 | M14×1.5 | 18.9 | 17.1 | 14 | 13.57 | 18 | 2.5P |
| M12 | M18×1.5 | 23.05 | 20.95 | 18 | 17.57 | 22 | 2.5P |
| M16 | M24×2 | 31.05 | 28.95 | 24 | 23.48 | 30 | 2.5P |
| (M14) | (M22×1.5) | 29.05 | 26.95 | 22 | 21.48 | 28 | 2.5P |
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