| Type |
Center Drill Bit |
| Material |
High Speed Steel |
| Use |
Masonry Drilling |
| Place of Origin |
Shaanxi China (Mainland) |
| Brand Name |
JingWei |
| Model Number |
60-113 |
Type:Pillarmodel Size:φ60-φ133(mm) Application:Thisgroupofproductsisusedtopenetrationthedegassinghole,drainhole,andgroutingholeofcoalmine.Applicablerockformation:f≤10 Characteristics:Drillingefficiencyisslightlylowerthanconcavebits,buttheabrasionperformanceisstronger.