1 piece Step Type Drag Bits

Size or OD: 4 7/8"to 6 3/4"

Pin Size: 2 3/8" API REGULAR PIN

 Size: 3 1/4" to 4 3/4"  

Pin Size: 2 3/8 API REGULAR PIN 

Size or OD :5 7/8" to 13"

Pin Size: 3 1/2 API REGULAR PIN

 Claw Centers

Replaceable Blades 

(ask for special sizes other than 4 3/4") 

 Geo Step Blades (Rockmaster Style)     

 *All Blades can be purchased in 3-way and 4-way configurations.

3-way and 4-way Head and Ring

       1 piece Chevron Type Drag Bits

   Size or OD: 3 1/4" to 5 1/2"

  Pin Size : 2 3/8" API REGULAR PIN

          Size: 4 3/4" to 5 3/8"

   Pin Size: 2 7/8 API REGULAR PIN

   (available in 3-way or 4-way)

            Size or OD: 6" to 7"

     Pin Size: 3 1/2 API REGULAR PIN

                API Scratcher

(also avalible on 3 1/2 api reguar pin)

         Geo Chevron Blades

          Rockmaster Style

                Sub-Adapters

 We can make any sub-

adapter of your choice!!!