
Mining
DTH hammers, tricone bits, RC and drill string for continuous operation in underground and open-pit mining.
20" – 24" (508 – 609 mm) — Dual Rotary Shoe, Drill String.
20" – 24" (508 – 609 mm) is part of the Dual Rotary Shoe line in Drill String. Shoes for dual rotary rigs in casing drilling.
Dual Rotary Shoe
| SIZE | CASING DIAMETER | A | B | C | D | E | F | G | H | I |
|---|---|---|---|---|---|---|---|---|---|---|
| 20" | 508 | 521 | 510 | 485 | 50 | 10 | 16 | 13 | 10° | 30° |
| 22" | 558,8 | 572 | 561 | 536 | 50 | 10 | 16 | 13 | 10° | 95 |
| 24" | 609,6 | 623 | 612 | 587 | 50 | 10 | 16 | 13 | 10° | 30° |
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| Product | SIZE | CASING DIAMETER | A | B | C | D | E | F | G | H | I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 8" – 18" casing | 8" – 18" | 219,1 – 457,2 | 233 – 470 | 220 – 459 | 201 – 434 | 50 | 10 | 16 | 13 | 10° | 30° |
| 20" – 24" (508 – 609 mm) | 20" – 24" | 508 – 609,6 | 521 – 623 | 510 – 612 | 485 – 587 | 50 | 10 | 16 | 13 | 10° | 30 – 30 ° |