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Specification
DTH HAMMER
Standard
Backhead Size
Outside Diameter (mm/inch)
Length
(mm/inch)
4" HAMMER
API 2 3/8 Reg. PIN, BOX
98mm
1096mm
Outside Diameter
of Piston (mm/inch)
Strock
(mm/inch)
Weight
(kg/lbs)
Shank Type
75mm
100mm
44kg
IR340, SD4
DTH HAMMER
100 PSI (7kg/cm2)
150 PSI (10.5kg/cm2)
200 PSI (14kg/cm2)
4" HAMMER
160 CFM
230 CFM
300 CFM
250 PSI (17.5kg/cm2)
300 PSI (21kg/cm2)
350 PSI (25kg/cm2)
380 CFM
470 CFM
 
NO
Part Name
Part NO
1
BACK HEAD
0401
2
BACK HEAD "O" RING
0402
3
CHECK VALVE
0403
4
CHECK VALVE SPRING
0404
5
MAKE-UP RING(URETHANE)
0405
6
AIR DISTRIBUTOR
0406
7
A/D "O" RING
0407
8
WEAR SLEEVE
0408
9
CYLINDER
0409
10
PISTON
0410
11
PISTON RET. RING (STEEL)
0411
12
BIT RET "O"RING
0412
13
BIT RETAINNER RING
0413
14
CHUCK
0414
 
 
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