Table 2 Specifications and features of SF76H, MMD75H, and MMD74H bits.
Bit type | Cutter distribution | No. of large nozzles | Total cutters | |||
|---|---|---|---|---|---|---|
13 mm | 16 mm | 19 mm | ||||
SF76H 16” | Face | 0 | 8 | 51 | 10 | 84 |
Gauge | 7 | 11 | 0 | |||
Back ream | 4 | 0 | 0 | |||
Up drill | 3 | 0 | 0 | |||
MMD75H 12.25” | Face | 0 | 51 | 0 | 7 | 72 |
Gauge | 21 | 0 | 0 | |||
MMD74H 8.5” | Face | 0 | 36 | 0 | 6 | 72 |
Gauge | 36 | 0 | 0 | |||
