Rotary Valve
Contact Us
Home About Us Products Capabilities Distributors Product Sheets blog
Screw Conveyors & Screws Flights Screw Conveyor

Precision Machine and Manufacturing, Inc. manufactures screws to any size requirement and from most commercially available materials. We also fabricate conveyor troughing and all components parts in the same material range.  Our skilled engineers and precise craftsmen can transform your ideas into working pieces of equipment.

We fabricate screws from several types of material.  Materials commonly used are Mild Steel, 304 SS, 316 SS, T1, AR400,  Tri-Braze®, & Super "C"®  alloys. Screws can be configured specifically for your applications.  We manufacture screw flights routinely from  400 to 500 Brinell materials.   Screw conveyor packages can come  complete with drive package, Variable Speed Control, Zero Speed Switch, temperature probes, etc.

Screw ConveyorScrew Conveyor

Screws or Flights can be configured accordingly

Select  Pitch
Variable Pitch
Cut (notched) Flights
Cut and Folded Flights
Mixing Paddles
Ribbon Flights
Double Flights
Left Hand / Right Hand Pitch
Multi Directional

Cone Screw
Tapered Diameter
Pipe coated with Ceramic Beads
Abrasion Resistant  Cladding
Corrosion Resistant Cladding
Wear Plates (bolt on)
Hard Facing
Modifications as required

Finished screws are fitted with precise fit bushings that are shrunk fit to the machined pipe and are bored .002" over normal shaft diameters for precise alignment and longer wear.  All standard screws Custom Machiningare pre-drilled to fit your existing  or new supplied shafts and are supplied with new bolts and nylon-insert locknuts for easy installation.  


We routinely do things that other companies have to think hard about!


Read the Screw Conveyor Product brochure Custom Machining

Custom Machining


Custom Machining
Rotary Airlocks Screw Feeder Conveyor