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Help CenterMaxdrill Ql50 Mining Quarry Rock DTH Drill Hammer Rock Drilling Tool
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Product Despcription
DTH Hammer: 3"-12"
Bit Size: 76mm-605mm
Down the hole hammers and drill bits are designed together to work in perfect unison,
Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the special inner structure of DTH hammer designed according to newest rock drilling theory.
Smooth performance and long service life of DTH hammer due to high quality alloy steel materials and advanced processing technology adapted.
Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble inner structure of hammer.
Easy to depart bit from hammer due to multihead thread connecting chuck and cylinder of hammer.
Interchangeable with DTH bit and drill pipe. Low pressure and high pressure hammers are available in our company.
| Item Description | Weight(Kg) | Part Number |
| 1.Top Sub | 15.00 | MQL501 |
| 2."O" Ring of Top Sub | 0.02 | MQL502 |
| 3.Check Valve | 1.00 | MQL503 |
| 4.Spring | 0.10 | MQL504 |
| 5.Compression Buffer | 0.10 | MQL505 |
| 6.Air Distributor | 3.50 | MQL506 |
| 7.Internal Cylinder | 4.20 | MQL507 |
| 8.Piston | 19.00 | MQL508 |
| 9.External Cylinder | 24.60 | MQL509 |
| 10.Guided Sleeve | 0.90 | MQL510 |
| 11."O" Ring of Stop Ring | 0.01 | MQL511 |
| 12.Stop Ring | 0.40 | MQL512 |
| 13.Drive Chuck | 4.60 | MQL513 |
| 14.Drill Bit | MQL514 |
Technical Date
| Length(Less Bit) | Weight(Less Bit) | External diameter | Bit shank | Hole Range | Connection Thread |
| 1156mm | 73.00kg | ø125mm | QL50 | ø135-ø155 | API3 1/2"Reg |
| Working Pressure | Impact Rate At 1.7Mpa | Recommended Rotation Speed | Air Consumption |
| 1.0-2.5Mpa | 23HZ | 20-30r/min | 145-350PSI 600-836CFM |
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