8

1、 Top Sub

2、 “O” Ring of Top Sub

3、 Check Valve

4、 Spring

5、 Air Distributor

6、 Internal Cylinder

7、 Piston

8、 External Cylinder

9、 Guided Sleeve

10、 “O” Ring of Stop Ring

11、 Stop Ring

12、 Drive Chuck

13、 Drill Bit

20.00

0.02

0.70

0.10

3.50

4.20

23.00

31.50

6.50

0.01

0.60

6.00

26.00

HD65A01

HD65A02

HD65A03

HD65A04

HD65A05

HD65A06

HD65A07

HD65A08

HD65A09

HD65A010

HD65A011

HD65A012

HD55A013

According to you request, the top sub can be made into two spanners, and put protection buttons.An air controlling hole can be drilled on the check valve to prpvide more efficient cuttings discharge

1359mm

175.0Kg

undefinedOslash;180mm

Cop844

DHD380

undefinedOslash;195- undefinedoslash;254

API4 undefinedfrac12;”Reg

Working Pressure

Impactrate 1.7Mpa

Recommended

Rotation speed

Air consumption

1.0Mpa

1.8 Mpa

2.4 Mpa

1.0-2.5 Mpa

22HZ

15-25r/min

12m2/min

22m2/min

28m2/min