|
MITSUBISHI SUPER MAXBIT (SMB)
APPROPRIATE CASING AND HAMMER TYPE
|
Type
|
Two
Wing
|
Three
Wing
|
Bit gauge
|
Applicable casing pipe
|
Device
O.D.
D4
|
Hammer type
|
|
Extended
D1
|
Retracted
|
Max. O.D.
D2
|
Min. I.D.
D3
|
Normal
Size
|
|
mm
|
mm
|
mm
|
mm
|
in.
|
mm
|
|
90
|
l
|
|
125
|
91
|
114.3
|
102.3
|
4"
|
92
|
DHD3.5, COP32, MACH33
|
|
115
|
l
|
|
152
|
114
|
141.3
|
126.6
|
5"
|
115
|
SD-4, DHD340AP, COP42, MACH44, N4
|
|
140
|
l
|
|
185
|
140
|
165.2
|
153.2
|
6"
|
141
|
SD-5, DHD350R, COP52, MACH50,N55
|
|
165
|
l
|
|
215
|
166
|
190.7
|
178.7
|
7"
|
167
|
SD-6, DH-6, COP62, N6
|
|
187
|
l
|
|
237
|
186
|
216.3
|
202.3
|
8"
|
187
|
SD-6, DH-6, COP62, N6
|
|
215
|
l
|
|
272
|
217
|
254.0
|
241.0
|
9"
|
218
|
SD-8, DHD380M, N80
|
|
240
|
|
l
|
290
|
238
|
273.1
|
254.5
|
10"
|
240
|
SD-8, DHD380M, N80
|
|
280
|
|
l
|
340
|
281
|
318.5
|
301.7
|
12"
|
283
|
SD-10, DHD310M, N100
|
|
315
|
|
l
|
373
|
318
|
355.6
|
336.6
|
14"
|
320
|
SD-12, DHD112, N120
|
|
365
|
|
l
|
425
|
363
|
406.4
|
387.4
|
16"
|
365
|
SD-12, DHD112, N120
|
|
410
|
|
l
|
478
|
412
|
457.2
|
435.0
|
18"
|
414
|
SD-15, DHD112S, N120S
|
|
460
|
|
l
|
530
|
461
|
508.0
|
482.6
|
20"
|
463
|
SD-15, DHD112S, N120S, SD-18, N180
|
|
510
|
|
l
|
580
|
509
|
558.8
|
533.4
|
22"
|
511
|
SD-15, DHD112S, SD-18, N180
|
|
560
|
|
l
|
630
|
559
|
609.6
|
584.2
|
24"
|
561
|
SD-18, DHD120A, N180
|
|
600
|
|
l
|
685
|
600
|
660.4
|
631.8
|
26"
|
603
|
DHD120A, N240
|
|
650
|
|
l
|
737
|
650
|
711.2
|
679.2
|
28"
|
652
|
DHD120A, N240
|
|
695
|
|
l
|
789
|
695
|
762.0
|
730.0
|
30"
|
697
|
DHD126, N240, N240S
|
|
745
|
|
l
|
842
|
744
|
812.8
|
780.8
|
32"
|
746
|
DHD126, N240S
|
|
|
