Pilot Junk Mill Type GMX/YMX
Model “GMX” Pilot Junk Mill can be inserted into milling fish-top of fishes water-hole from the polit part. Model YMX Guide Mill Shoe can be used for milling inner bore and fish-top, or the unfixed fishes ( just like drill pipe, drill collar and tubing etc. ) The milling surface can be made of carbide alloy, and the water groove on mill body can make the drilling fluids flow.
Specifications
| Nominal O.D. mm(in) | Connection | mm(in) | Suitable well diameter mm(in) |
| 97(3-13/16) | NC26 | 73～89(2-7/8～3-1/2) | 107.9～114.3(4-1/4～4-1/2) |
| 121(4-3/4) | NC31、2-7/8REG、3-1/2REG | 90～102(3-9/16～4) | 130～139.7(5-1/8～5-1/2) |
| 130(5-1/8) | 100～160(3-15/16～6-5/16) | 142.9～152.4(5-5/8～6) | |
| 140(5-1/2) | 110～120(4-5/16～4-3/4) | 155.6～165.1(6-1/8～6-1/2) | |
| 156(6-1/8) | 3-1/2REG | 127(5) | 168～187.3(6-5/8～7-3/8) |
| 178(7) | 4-1/2REG | 158～168(6-1/4～6-5/8) | 190.5～209.5(7-1/2～8-1/4) |
| 200(7-7/8) | 168～178(6-5/8～7) | 212.7～241.3(8-3/8～9-1/2) | |
| 232(9-1/8) | 194(7-5/8) | 244.5～269.9(9-5/8～10-5/8) | |
| 257(10-1/8) | 6-5/8REG | 210～219(8-1/4～8-5/8) | 273～295.3 (10-3/4～11-5/8) |
| 279(11) | 220～230(8-11/16～9) | 298.5～317.5 (11-3/4～12-1/2) | |
| 295(11-5/8) | 240～246(9-7/16～9-11/16) | 320.6～346.1 (12-5/8～13-5/8) | |
| 330(13) | 273(10-3/4) | 349.3～406.4 (13-3/4～16) | |
| 381(15) | 320(12-5/8) | 406.4～444.5 (16～17-1/2) |