Model LB fishing cup is a practical and effective tool. During drilling operation, it can be used to recover the heavier drilling cuttings or metal chips which are diffi cult to be lifed out of the borehole by normal drilling fl uid circulation.
Technical parameters and specifi cations
| Type |
Suitable hole(mm) |
O.D.(mm) |
I.D.(mm) |
Thread connection |
| LB94 |
108~117.5 |
94 |
19 |
2 3/8REG |
| LB127 |
152.4~162 |
127(5) |
38(1 1/2) |
3 1/2REG |
| LB140 |
165~190.5 |
127(5) |
38(1 1/2) |
3 1/2REG |
| LB168 |
190.5~216 |
168(6 5/8) |
54(2 1/8) |
4 1/2REG |
| LB178 |
219~244.5 |
178(7) |
54(2 1/8) |
4 1/2REG |
| LB190 |
229~273 |
190(7 1/2) |
54(2 1/8) |
4 1/2REG |
| LB197 |
235~279.5 |
197(7 3/4) |
54(2 1/8) |
4 1/2REG |
| LB219 |
244.5~295 |
219(8 5/8) |
71(2 13/16) |
6 5/8REG |
| LB229 |
254~305 |
229(9) |
71(2 13/16) |
6 5/8REG |
| LB245 |
292~330 |
245(9 5/8) |
71(2 13/16) |
6 5/8REG |
| LB280 |
327~375 |
280(11) |
76(3) |
7 5/8REG |
| LB286 |
333~381 |
286(11 1/4) |
76(3) |
7 5/8REG |
| LB304 |
352~421 |
304(12) |
76(3) |
7 5/8REG |
| LB327 |
375~444.5 |
327(12 7/8) |
76(3) |
7 5/8REG |
| LB340 |
386~456 |
340(13 3/8) |
76(3) |
7 5/8REG | |
