Premium Nitrided 38crmoala Single Screw Barrel for Plastic Extruder

• Customization: Available
• After-sales Service: Online Support
• Warranty: 1 Years
• Model NO.: 65
• Standard: GB
• Technics: Forging
• Material: 38crmoaia
• Product Name: Precision Nitrided Single Screw Barrel
• Core Material: 38crmoala Nitrided Alloy Steel
• Surface Hardness: Hv 900 - 1000
• Nitriding Depth: 0.6 - 0.8 mm
• Surface Roughness: Ra 0.4 μm
• Screw Straightness: 0.015 mm / 1000 mm
• Chromium Plating Option: 0.025 - 0.085 mm (for PVC/Corrosive Materials)
• Screw Diameter Range: φ15mm - φ300mm (Customizable)
• Transport Package: Fumigation-Free Wooden Case
• Specification: Customized
• Trademark: PYM
• Origin: China

Product Description

Product Description

Product Overview
This Premium Nitrided Single Screw Barrel is manufactured from high-grade 38CrMoAlA alloy steel, featuring a deep nitriding treatment that ensures exceptional hardness and wear resistance. Designed specifically for plastic extruders and injection molding machines, our screws are precision-machined to achieve a surface roughness of Ra 0.4 μm and a straightness tolerance of 0.015mm per 1000mm.

 We understand that every production line has unique requirements. Whether you need a standard replacement or a highly complex customized screw profile, our team offers 100% customization based on your drawings, L/D ratio specifications, or even worn-out samples.

Core Material	38CrMoAlA Nitrided Alloy Steel
Surface Hardness	HV 900 - 1000
Nitriding Layer Depth	0.6 - 0.8 mm
Surface Roughness	Ra 0.4 μm
Straightness Tolerance	0.015 mm / 1000 mm
Screw Diameter Range	Φ15mm - Φ300mm (Customizable)
L/D Ratio Range	15:1 - 40:1 (Customizable)
Max Processing Length	Up to 10,000mm

Quality & Customization
Customized to Your Exact Needs:
We provide a free 3D mapping service. If you don't have a drawing, simply mail us your broken or old screw, and we will replicate the pitch, keyway, and total length down to the millimeter.