Bowen Cone Buster Mill

Our Bowen cone buster mills feature a concave face that helps properly center the fish under the mill for the most efficient milling. A thick layer of our industry-leading Bowen ItcoloyX ensures a long tool life. Our design and ItcoloyX cutting structure effectively reduce milling times.


Our Bowen™ cone buster mill may be used in cased- and open-hole operations and are available in industry-standard sizes. The mills meet NS-2 and DS-1 fishing standards and are offered in several configurations, which include optional thread connections and stabilizer pads. The mills are available dressed or without carbide, allowing for local customization. 


  • Available in sizes from 3.5- to 28-in. OD
  • Designs available in standardized fish neck length of 12 in.
  • Available with or without integral stabilizers
  • Dressed with industry-leading Bowen ItcoloyX, ensuring longer tool life
  • Available with optional thread connections

Applications for use

  • Heavy milling
  • Bit cones
  • Slips
  • Reamers
  • Retainers
  • Wrenches (other tools that may be lost downhole)
  • Cement
  • Bowen Cone Buster Mills Technical Summary

Three fourths render of the Bowen Cone Buster Mill
Front render of the Bowen Cone Buster Mill