Feed Screws
American Screw & Barrel will Manufacture (12mm to 12” Diameter) & Rebuild (16mm to 18” Diameter) Screws with a maximum length of 315“ for single-piece construction. We offer a full range of Base Materials for your specific processing applications depending on Wear Resistance, Corrosion Resistance, and Material Strength. Our current list of Capacities and Material offerings:
Capacity
New
• 12mm to 12” Diameter with a maximum length of 315” for one-piece construction.
• Multi-piece Screws are available for lengths >315”
Rebuild
• 16mm to 18” Diameter with a maximum length of 315”
Base Materials
Alloy Steel
• 4140HT
• 4340HT
• Nitralloy 135 (mod)
Stainless
• Series 300 and 400 Stainless
• 17-4 Precipitation Hardening Stainless
Tool Steel
• D-2
• A-2
• H-13
• Lescowear
Powder Metallurgical Tool Steel
• 9V
• 10V
• 20CV
• S90V
• Z-Wear Elmax
• Vanadis
Nickel Alloys
• Inconel 718
• Inconel 625
• Hastelloy C-276
Flight Hardfacing Materials
Nickel Base
• Colmonoy #56
• Colmonoy #57
• Colmonoy #88
• Colmonoy #83
• Coltung #1
Cobalt Base
• Stellite #1
• Stellite #6
• Stellite #12
Coatings
• Chrome Plating
• Tech 17 Ceramic Chrome Seal
• Thin Dense Chrome
• Electroless Nickel Plating
• Ion and Gas Nitriding
• Total Carbide Encapsulation
• Flight Land Carbide Encapsulation
• New Abrasion Eliminator – Metallurgically Fused Carbide Root Protection
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