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High air pressure DTH hammer
High Air Pressure DTH Hammer HD-65A

Technical Parameter
Item Description Weight (KG) Part Number
1. Top Sub 20 HD65A-01
2. "O"-Ring of Top Sub 0.02 HD65A-02
3. Check Valve 0.7 HD65A-03
4. Spring 0.1 HD65A-04
5. Air Distributor 3.50 HD65A-05
6. Internal Cylinder 4.2 HD65A-06
7. Piston 23 HD65A-07
8. External Cylinder 31.5 HD65A-08
9. Guided Sleeve 6.5 HD65A-09
10. "O"Ring of Stop Ring 0.01 HD65A-10
11. Stop Ring 0.6 HD65A-11
12. Driver Chuck 6 HD65A-12
13. Drill Bit   HD65A-13
Product data  
Length(Without bit) 1238mm
Weight(Without bit) 98.0Kg
Bits shank Cop64/DHD360/HD65
External diameter Φ148mm
Bits diameter Φ155-Φ203mm
Connection Thread API 3 1/2"Reg
Working Pressure 1.0-3.0Mpa
Impace rate at.1.7Mpa 25Hz
Recommended rotation speed 20-30r/min
Air consumption 1.8Mpa

Note:The following parameters take DHD360A without foot valve DTH hammer as an example. We also can provide Mission60 , Cop64 , QL60 , SD6 series DTH hammers to you.