Main application
Mining
DTH hammers, tricone bits, RC and drill string for continuous operation in underground and open-pit mining.
Simultaneous casing system
SM-EX
Featured application
SM-EX
Expandable drilling system made up of a pilot bit, shoe and wings, designed to adapt to different casing diameters. Its rugged mechanism ensures high efficiency in the field and it is available in models from 8" to 24". Key applications: Water wells, foundation piles and anchoring.
Models
4
Applications
4
Línea
Simultaneous casing system
Comparison table
SM-EX
SM-EX
| Product | MODEL | DIAMETER (IN) | CASING OD (MM) | CASING ID (MM) | SHOE OD (MM) | SHOE ID (MM) | MAX. GUIDE (MM) | MIN. GUIDE (MM) | EXPANDED DIAMETER (MM) | HAMMER SHANK |
|---|---|---|---|---|---|---|---|---|---|---|
| SM-EX 8" – 18" | SM-EX 8 – SM-EX 18 | 8" – 18" | 219,1 – 457,2 | 202,74 – 438,14 | 220 – 458 | 193 – 414 | 200,74 – 434,14 | 190 – 412 | 243 – 478 | SM60-DHD360, DHD380, NUMA125 |
| SM-EX20 (20") | SM-EX 20 | 20" | 508 | 488,94 | 509 | 459 | 484,94 | 455 | 530 | NUMA125 |
| SM-EX22 (22") | SM-EX 22 | 22" | 558,8 | 539,74 | 559 | 512 | 535,74 | 508 | 581 | NUMA125 |
| SM-EX24 (24") | SM-EX 24 | 24" | 609,6 | 590,54 | 610 | 562 | 586,56 | 558 | 632 | NUMA125 |
