Maxdrill Ql50 Mining Quarry Rock DTH Drill Hammer Rock Drilling Tool

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,

ADVANTAGE:
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 ô125mm QL50 ô135-ô155 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