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R25 Drill Bit

钎头-球型截齿
BUTTON BIT - Spherical buttons
直径(mm)
Diameter
3335373738384141454548
截齿数量
No. of buttons
77777676767
冲水孔
Flushing hole
side11111212222
centre11111111111
钎头-子弹型截齿
BUTTON BIT - Ballistic buttons
直径(mm)
Diameter
33333537384141



截齿数量
No. of buttons
7777777



冲水孔
Flushing hole
side1111111



centre1111111



十字型钎头
Cross-type bit
直径(mm)
Diameter
3538414548





冲水孔
Flushing hole
side24424





centre11111






R25 Drill Bit
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