钎头-球型截齿 BUTTON BIT - Spherical buttons | ||||||||||||||||||||||||
直径(mm) Diameter | 41 | 41 | 43 | 43 | 45 | 45 | 45 | 45 | 48 | 48 | 51 | 51 | 51 | 51 | 51 | 51 | 57 | 64 | 64 | 64 | 64 | 76 | 76 | |
截齿数量 No. of buttons | 7 | 6 | 7 | 9 | 7 | 9 | 9 | 6 | 7 | 9 | 7 | 7 | 8 | 9 | 9 | 9 | 9 | 12 | 12 | 10 | 10 | 12 | 13 | |
冲水孔 Flushing hole | side | 1 | 2 | 2 | 1 | 2 | 1 | 1 | 2 | 2 | 1 | 1 | 2 | 2 | 1 | 1 | ||||||||
centre | 1 | 1 | 1 | 3 | 1 | 3 | 3 | 1 | 1 | 3 | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 2 | 2 | 3 | 3 | 2 | 4 | |
钎头-子弹型截齿 BUTTON BIT - Ballistic buttons | ||||||||||||||||||||||||
直径(mm) Diameter | 41 | 41 | 43 | 43 | 45 | 45 | 45 | 48 | 48 | 51 | 51 | 51 | 51 | 54 | 54 | 57 | 64 | 64 | ||||||
截齿数量 No. of buttons | 7 | 8 | 7 | 9 | 7 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 11 | 9 | 9 | 12 | 10 | ||||||
冲水孔 Flushing hole | side | 1 | 2 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | ||||||||||
centre | 1 | 2 | 1 | 3 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 3 | 2 | 3 | |||||||
十字型钎头 Cross-type bit | ||||||||||||||||||||||||
直径(mm) Diameter | 43 | 45 | 48 | 51 | 51 | 54 | 57 | 64 | ||||||||||||||||
冲水孔 Flushing hole | side | 2 | 4 | 4 | 4 | 4 | 2 | 4 | 2 | |||||||||||||||
centre | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |