- Product category：Conventional PDC Bits
- Name：12-1/4"ST316
- Product Type：12707
- Hits：1689
Introduction
12-1/4" ST316/ M333
Recommended Operating Parameters
| Blade Count | 6 Straight Blades |
| Primary Cutter Size | Ф13 mm |
| Face Cutters（Count） | Ф13 mm ( 28 ) |
| Cone Cutters（Count） | Ф13 mm ( 17 ) |
| Gauge Cutters（Count） | Ф13 mm ( 8 ) |
| Back-Up Cutters（Count） | Ф13 mm ( 53 ) |
| Nozzles | 9 Standard Series (SP) |
| Gauge Length | 3", Options available |
| Junk Slot Area | 34 in2 |
| Bit Connection | 6-5/8" API REG |
| Bit Length | Make-Up: 12.6" Overall: 17.6" |
| Fishing Neck | Diameter: 8" Length: 5.2" |
Recommended Operating Parameters
| Flow Rate | 38~62 LPS |
| Rotary Speed | 60~300 RPM |
| Weight-on-Bit | 20~160 KN |
| Max. Weight-on-Bit | 180 KN |
| Make-Up Torque | 49.6~51.4KN.m |