Rotary Shoes, ФК type

Rotary Shoes are applied for milling (washing over) of stuck or wedged drill pipes, drill collars, tubing, sucker and drilling rods etc.
Depending on application, mills are manufactured of two options:
- ordinary version (hard-alloy inserts are set in checkerboard pattern and come out of mill end face 0.236”- 0.276” (6-7 mm);
- aggressive version (mill end face equipped with hard-alloy inserts and coated with sintered tungsten carbide particles 0.197”- 0.236” (5-6 mm) height).
On customer demand Rotary Shoes can be made with guide or without one.

Junk Mills, ФТ type

Junk Mills are applied for mill away of metal parts being in a hole (subs, bits, pipes, etc.).
Depending of hole shape and shape of metal parts subject to destruction, Junk Mills can be made on customer demand both with external guide bowl and with internal guide cone.

Junk Mills, ФВ type

Junk Mills, ФВ type are applied for axial destruction and milling away of metal parts being in hole as well as drilling out of shoe tracks.
Junk Mills production technique allows making exposure of hard-alloy inserts 0.059” - 0.079” (1.5-2 mm) on Mills end face inner and outer diameters, due to that Mills performance characteristics considerably enhance.
Depending of application Junk Mills are supplied with ВК-8, Т5К10 or types pf hard alloyed inserts.

Specifications.