Description
Two, three or four-winged bits manufactured with stepped or chevron profiles and with either brazed tungsten carbide segments or fragmented T.C. in a nickel-bronze matrix (“nutty-crunch”). We can also supply pilot bits (as shown) with a replaceable pilot section and drag bits with replaceable wings in certain sizes.
| Drag bit size and connection type |
| Diameter range in Inches | Connection Pin Type |
| 17/8 – 2 ʺ | E rod |
| 21/4 – 31/4 ʺ | A rod |
| 3 – 33/4 ʺ | N rod |
| 4 – 55/8 ʺ | 23/8 API Reg |
| 53/4 – 57/8 ʺ | 27/8 API Reg |
| 6 – 8 ʺ | 31/2 API Reg |
| 81/2 – 97/8 ʺ | 41/2 API Reg |
| 105/8 – 143/4 ʺ | 65/8 API Reg |