Technical Data
Length (less bit): 1011 mm
Weight (less bit): 43.20kg
Hammer O.D : Φ 99mm
Bit Shank: Cop44, DHD340
Hole DIA: Φ 110 - Φ135 (mm)
API 2-3/8"
Working Pressure 1.0-2.5Mpa
Impact Rate At 1.7Mpa: 30Hz
Recommended Rotation Speed: 22-35r/min
Air Consumption 1.0Mpa: 6m^3/min
Air Consumption 1.8Mpa: 10m^3/min
Air Consumption 2.4Mpa: 15m^3/min

Part Number	Item	Item Description	Weight
HHD401	1	Top Sub	6.5
HHD402	2	O Ring Of Top Sub	0.01
HHD403	3	Check Valve	0.35
HHD404	4	Spring	0.05
HHD405	5	Air Distributor	1.50
HHD406	6	Internal Cylinder	2.10
HHD407	7	Piston	8.50
HHD408	8	External Cylinder	15.20
HHD409	9	Guided Sleeve	1.30
HHD410	10	O Ring of Stop Ring	0.01
HHD411	11	Stop Ring	0.30
HHD412	12	Drive Chuck	3.40
HHD413	13	Drill Bit	9.00

*—Hammers with different sizes and shanks are available.