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JOSYM |
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Symmetric Overburden Drilling System |
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| TYPE "A" |
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Click for the components |
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DIMENSIONS |
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| Model |
Casing OD |
Casing |
Face Bit OD |
Drive Sub OD |
Thread |
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| Wall Max |
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| JOSYM-A
54 |
76.2 |
7.6 |
80 |
54 |
T32 |
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| JOSYM-A
64 |
88.9 |
8 |
95 |
64 |
T32 |
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| JOSYM-A
74 |
101.6 |
8 |
109 |
74 |
T32 - T38 |
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| JOSYM-A
86 |
114.3 |
8 |
122 |
86 |
T38 - T45 |
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| JOSYM-A
105 |
133.5 |
8 |
141 |
105 |
T45 - T58 |
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| JOSYM-A
110 |
139.7 |
8 |
147 |
110 |
T45 - T58 |
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| JOSYM-A
120 |
152.4 |
10 |
160 |
120 |
T51 - T58 |
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| JOSYM-A
138 |
168.3 |
10 |
176 |
138 |
T51 - T58 |
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JOSYM |
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Symmetric Overburden Drilling System |
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TYPE "B" |
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You can pull out the pilot bit by rotating the rod anti-clockwise, and
drill |
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through the casing by a conventional bit in solid formation. |
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Assembled Set(for Drifter) |
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Click for the components(for
Drifter) |
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Assembled Set(for DTH Hammer) |
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Click for the components(for
DTH Hammer) |
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DIMENSIONS |
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| Model |
Casing OD |
Casing |
Ring Bit OD |
Pilot Bit OD |
Thread |
DTH Hammer Size |
| Wall Max |
| JOSYM-B
43 |
76.2 |
7.6 |
80 |
43 |
T38 |
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| JOSYM-B
58 |
88.9 |
8 |
95 |
58 |
T38 |
2" |
| JOSYM-B
72 |
101.6 |
8 |
109 |
72 |
T38 |
2" |
| JOSYM-B
84 |
114.3 |
8 |
122 |
84 |
T38 - T45 |
3" |
| JOSYM-B
105 |
133.5 |
8 |
141 |
105 |
T45 - T58 |
4" |
| JOSYM-B
110 |
139.7 |
8 |
147 |
110 |
T45 - T58 |
4" |
| JOSYM-B
115 |
139.7 |
5 |
155 |
115 |
T45 - T58 |
4" |
| JOSYM-B
120 |
152.4 |
10 |
160 |
120 |
T51 - T68 |
5" |
| JOSYM-B
138 |
168.3 |
10 |
176 |
138 |
T51 - T68 |
5" |
| JOSYM-B
140 |
168.3 |
5.5 |
184 |
140 |
T51 - T68 |
5" |
| JOSYM-B
168 |
193.7 |
6 |
205 |
168 |
- |
6" |
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206 |
219.1 |
5 |
236 |
206 |
- |
6" |
| JOSYM-B
233 |
254 |
5.5 |
274 |
235 |
- |
8" |
| JOSYM-B
244 |
273 |
10 |
290 |
244 |
- |
8" |
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HOME |
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