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 

1238mm

98.0Kg

undefinedOslash;142mm

Cop64

DHD360

undefinedOslash;155- undefinedoslash;203

API3 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

25HZ

20-30r/min

9m2/min

18m2/min

26m2/min