Starter bits are most commonly used & designed for high speed water well drilling.
Drilling in hard formation, such as lime stone, gravel & shale.
Mash Starter bits design features include:
- a solid one piece heat treated, 4140 alloy steel body for bit strength & durability
- hardness rated 28-32 Rockwell
- 3/16 Tungsten carbide profile cutting edges
- Ultra high strength brazing to ensure bit toughness
- CNC threaded machining for proper installation & use.
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- Starter bit
| Starter Bits Diameters | ||
|---|---|---|
| Inches | mm | Box thread |
| 5⅛ to 6 | 130 to 152 | 2⅜ IF, MH Reg. |
Note: custom sizes available