Good Quality DTH Drill Hammer Tools For Mining Blast Rock Hole
Specification of DTH Drill Hammer
Used Crawler Drilling Rig :
Specification of DTH Drill Hammer
| DTH hammer type | HWH90 | HWM93 | HWH76 | HWH45A |
| Hole range | 90~100mm | 90~100mm | 76mm | 45mm |
| Mantle diameter | 80mm | 80mm | 66mm | 99mm |
| Length(less bit) | 795mm | 870mm | 765mm | 1030mm |
| Weight(less bit) | 22kg | 21kg | 15kg | 39.20kg |
| Working pressure | 0.5~0.7Mpa | 0.7-1.0Mpa | 0.5~0.7Mpa | 0.5~2.5Mpa |
| Air consumption | 5m3/min | 6m3/min | 4m3/min | (6,10.8,15)M3/min |
| Impact frequency | 900/min | 1100/min | 820/min | 1600/min |
| Using drill pipe specifications | Φ60 ,Φ50 | Φ60 ,Φ50 | Φ50 ,Φ42 | Φ110~135 |
Used Crawler Drilling Rig :