| After-sales Service: | Quality Guarantee |
|---|---|
| Warranty: | Available |
| Transport Package: | Cartons or Wooden Cases |
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Drag bit are manufactured from forged high quality alloy steel and premium tungsten carbide insert, plus state of art welding technology and multiple precision heat-treatment to provide highest penetration rate and longest lifespan at roughest condition.
Drag Bits Penetrate soft formation quickly such as stiff,clay and mudstone. Usually they are used for construction and site investigation.
It has two types, Step type and Chevron type.
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