| Condition |
used |
| Production year |
2003 |
| Place of Origin |
Shanghai China (Mainland) |
| Brand Name |
JINGWEI |
| Model Number |
113mm |
non-core bits Type:3wingsof11PDC Size:φ113(mm) Application: Thisgroupofproductsisusedtopenetrationthedegassinghole,drainhole,andgroutingholeofcoalmine.Ithastwotypes,oneissteelbody,theotherismatrixbody.MatrixbodySuitableforhardrock,Thebitslifespanistwotimesthanthesteelbody. Characteristics: Ithashighefficiencyandstrongwearresistancefordrilling.Applicablerockformation:f≤10