MC81 Bit - Concave - 8-7/8" - Ballistic
The concave bit design is an excellent all around bit, suitable for soft and hard formations. The cone shaped face design provides good stability during drilling, allowing for straighter holes while reducing equipment vibration. The carbide configuration design gives added penetration in many formations.
| Minimum Hole Size (in) |
7.875 |
| Number of Splines |
16 |
| Height of Foot Valve Above Strike Face (in) |
N/A |
| Length of Shank (in) |
8.740 |
| Running Surface Diameter |
n/a |
| Diameter (in) |
8-7/8 |
| Carbide Insert Gauge (in) |
12 x 3/4 |
| Carbide Insert Face (in) |
6 x 3/4 & 10 x 5/8 |
| Carbide Type |
Ballistic |
| Weight (lbs) |
121 |
