| Состояние |
б/у |
| Год выпуска |
2003 |
| Место происхождения |
Shanghai China (Mainland) |
| Бренд |
JINGWEI |
| Номер Модели |
113mm |
non-core bits Type:3wingsof11PDC Size:φ113(mm) Application: Thisgroupofproductsisusedtopenetrationthedegassinghole,drainhole,andgroutingholeofcoalmine.Ithastwotypes,oneissteelbody,theotherismatrixbody.MatrixbodySuitableforhardrock,Thebitslifespanistwotimesthanthesteelbody. Characteristics: Ithashighefficiencyandstrongwearresistancefordrilling.Applicablerockformation:f≤10