Welcome To American Screw & Barrel

A division of Continental Feed Screw




Precision Manufacturing and Rebuilding of Feed Screws for the Plastic and Rubber Industries

American Screw & Barrel, located in New England (Central Massachusetts), is a supplier of feed screws for the plastic, rubber, food, and metal molding industries. Founded in 1983, our team has over 40 years of experience in all areas of feed screws, from designing and manufacturing to rebuilding and modifications. Our mission is to provide solutions with high-quality feed screws that are held to the highest standards.


OUR PRODUCTS


Products

American Screw & Barrel specializes in precision design, manufacturing, and rebuilding of feed screws, barrels, injection valves, tie bars, and other components for the plastic and rubber molding industries.


Feed Screws

• Injection screws, extruder screws, blow molding screws
• Feed screw design, rebuilding, repairs, and modifications
• Capabilities up to 12” diameter and max one-piece length of 315”
• We offer a full line of base materials, flight hard surfacing, tool steels, and coatings

Feed Screws

Close up of a metal feed screw against a blue background.

Barrels

For injection molding and extrusion barrels, we offer several bimetallic inlays for applications that require:
Wear Resistance
Corrosion Resistance
Extreme Wear & Corrosion Resistance

Barrels

Close up of a metal feed screw barrel end.

Injection Valves

We manufacture the following:
• 3-piece and 4-piece assemblies
• Ball check and poppet styles
• Free flow and locking design
• Standard wear and high wear

Injection Valves

Close up of an injection valve with a ridged, cylindrical body and a pointed, segmented tip against a grey background. Injection valves are used in the injection molding industry.

Tie Bars

All tie bars made at American Screw & Barrel are manufactured from a high grade alloy steel material and machined with a very high precision to guarantee a durable, long-lasting product.

Emergency Repair Services: with years of experience in repairing broken tie bars, we offer emergency services to help minimize machine downtime.

Tie Bars

Four large metal cylinders, or tie bars, lie on a workshop floor in front of a yellow forklift. The space is cluttered with tools and industrial equipment, conveying a busy, mechanical atmosphere.



Design, Inspection, Rebuilding, and Repair Services



Inspection


We inspect feed screws, barrels, and other injection molding and extrusion molding components for wear, cracks, imperfections, straightness, and concentricity.



Rebuilding Services


We rebuild screw flights, injection tips, and other components to OEM (Original Equipment Manufacturers) specifications.



Repair Services


With years of experience, we guarantee expert repair of broken feed screws and barrels, tie bars, and other components.



Modification


Feed screw design modifications and enhancements to improve melting/mixing.



Barrel Repair


Partial injection barrel sleeving is offered to correct wear in the stroke area.



Emergency Service


We offer emergency turnaround service for broken components to help minimize machine downtime.


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