Hammer grab is working with the crane with ��free fall�� function, which has been used for piling or drilling by the gravity. It is perfectly suitable for the drilling in casing tube with our casing oscillator.
Details
Tool type
Single rope pulley grab with/without teeth.
Model No.
Casingdiameter(mm)
D1JawDiameter(mm)
D2BodyDiameter(mm)
Jawcapacity(L)
HG-500
620/540
480
480
45
HG-640
750/670
600
480
50
HG-690
800/720
600
480
65
HG-770
880/800
750
630
80
HG-790
900/820
750
630
85
HG-890
1000/920
750
630
125
HG-970
1180/1100
950
630
130
HG-990
1200/1120
950
630
156
HG-1170
1300/1220
1050
630
300
HG-1360
1500/1400
1340
1200
500
HG-1530
1600/1500
1460
1400
700
Other size is available upon request
The above spec is subject to change without notice, please confirm with us before give the order.