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High air pressure DTH hammer
High Air Pressure DTH Hammer K-8

Technical Parameter
Item Description Weight (KG) Part Number
1. Top Sub 34 K8-1
2. "O"-Ring of Top Sub 0.015 K8-2
3. Check Valve 1.2 K8-3
4. Spring 0.1 K8-4
5. Air Distributor 6.00 K8-5
6. Internal Cylinder 6.5 K8-6
7. Piston 42.5 K8-7
8. External Cylinder 60 K8-8
9. Guided Sleeve 5.3 K8-9
10. "O"Ring of Stop Ring 0.1 K8-10
11. Stop Ring 1.2 K8-11
12. Driver Chuck 17.5 K8-12
13. Drill Bit   K8-13
Product data  
Length(Without bit) 1358mm
Weight(Without bit) 175.0Kg
Bits shank Cop84/DHD380/HD85
External diameter Φ180mm
Bits diameter Φ195-Φ254mm
Connection Thread API 4 1/2"Reg
Working Pressure 1.0-3.0Mpa
Impace rate at.1.7Mpa 22Hz
Recommended rotation speed 15-25r/min
Air consumption 1.8Mpa

Note:A kind of DTH hammer which is shorter but more efficient and energy efficient.we called them super speed series DTH hammer.