2 .Auger Bit

(1) Cone: double head twin screw, suitable for hard bedrock. Double head single screw, suitable for weathered bedrock, pebbles, frozen soil, etc. The above bits are equipped with a variety of cutters, and many types of bits can be derived from the changes of tooth shape, pitch and spiral Angle.

(2) Straight auger bit:

A, bucket tooth straight screw: double head double screw, suitable for sand, poor cementation of small diameter gravel layer; Double head single screw, suitable for sand and soil; Single head single screw, suitable for poor cementation of large diameter pebbles, clay and hard mucilage.

B, truncate straight screw: there are twin screw, three screw and four screw, suitable for hard bedrock or gravel.

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Product Categories : Drill Bit > Twist Drill Bit