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| HOME > Products > DT Hammer > DTH Hammers > 4" Series DTH Hammers > DT-40 Hammer |
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| Description |
Metric |
Backhead
(Topsub) |
API 2-3/8" REG PIN |
| Outside |
98mm |
| Piston |
80mm |
Length
(including topsub) |
1,044mm |
| Bit Shank Type |
DHD340
MACH44 |
| Weight |
42kg |
| Bit Size |
105-130mm |
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Part List |
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| No |
Description |
Part Number |
Weight |
| 1 |
Back head(Top sub) |
DT-R04001 |
7 |
| 2 |
"O"_ring of top sub |
DT-R04002 |
0.01 |
| 3 |
Chek Valve |
DT-R04003 |
0.4 |
| 4 |
Spring |
DT-R04004 |
0.4 |
| 5 |
Make-up ring |
DT-R04005 |
3 |
| 6 |
Air Distributor |
DT-R04006 |
1.9 |
| 7 |
Inner Cylinder |
DT-R04007 |
2.3 |
| 8 |
Piston |
DT-R04008 |
8.7 |
| 9 |
Cylinder |
DT-R04009 |
14.3 |
| 10 |
Piston Retaining Ring |
DT-R04010 |
0.3 |
| 11 |
Bit Retaining Ring |
DT-R04011 |
0.2 |
| 12 |
Drive Chuck |
DT-R04012 |
3.1 |
| 13 |
Drill bits |
DT-R04013 |
9 |
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