

- Product category:Conventional PDC Bits
- Name:8-1/2"ST615
- Product Type:08711
- Hits:1356
8-1/2" ST615/ M223
Recommended Operating Parameters
Blade Count | 5 Sprial Blades |
Primary Cutter Size | Ф16 mm |
Face Cutters(Count) | Ф16 mm ( 16 ) |
Cone Cutters(Count) | Ф16 mm ( 6 ) |
Gauge Cutters(Count) | Ф16 mm ( 9 ) |
Back-Up Cutters(Count) | Ф13 mm ( 15 ) |
Nozzles | 5 Standard Series (SP) |
Gauge Length | 2.5", Options available |
Junk Slot Area | 15 in2 |
Bit Connection | 4-1/2" API REG |
Bit Length | Make-Up: 11.8" Overall: 16.1" |
Fishing Neck | Diameter: 6.8" Length: 5.4" |
Recommended Operating Parameters
Flow Rate | 21~38 LPS |
Rotary Speed | 60~330 RPM |
Weight-on-Bit | 20~110 KN |
Max. Weight-on-Bit | 130 KN |
Make-Up Torque | 16.6~23.7KN.m |