--- title: "Bimetallic Screw and Barrel for Plastic Extruder Machine" description: "Bimetallic Screw and Barrel for Plastic Extruder Machine — Other Machine & Custom Screws. Material: 38CrMoAlA. MOQ 1 piece, US$120.00 – 12,000." url: https://engineeringhardware.com/product/bimetallic-screw-and-barrel-for-plastic-extruder-machine/ source: Engineering Hardware & Fasteners --- # Bimetallic Screw and Barrel for Plastic Extruder Machine [![Bimetallic Screw and Barrel for Plastic Extruder Machine](https://img.engineeringhardware.com/Bimetallic-Screw-and-Barrel-for-Plastic-Extruder-Machine.webp)](https://img.engineeringhardware.com/Bimetallic-Screw-and-Barrel-for-Plastic-Extruder-Machine.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Screws › Other Machine & Custom Screws](https://engineeringhardware.com/fastener-products/screws/other-machine-custom-screws/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/bimetallic-screw-and-barrel-for-plastic-extruder-machine.md) Model no. **60mm** US$120.00 – 12,000 / piece MOQ 1 piece · Final price confirmed in your quote - **Tempering Hardness:** 240-280hv - **Hardness of Nitrogen Treatment:** 900-1100hv - **Roughness of The Surface:** Ra0.4um - **Hardness of Alloy:** HRC62-72 - **Package Size:** 250.00cm * 50.00cm * 50.00cm - **Size:** Screw diameter: Φ 20-Φ 500mm - **Maximum screw length:** 10000mm - **Barrel inner bore diameter:** Φ 500mm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Bimetallic%20Screw%20and%20Barrel%20for%20Plastic%20Extruder%20Machine%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fbimetallic-screw-and-barrel-for-plastic-extruder-machine%2F) Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order. ## Specifications | Customization | Available | | --- | --- | | Warranty | Nomally 1 Year | | Tempering Hardness | 240-280hv | | Model NO. | 60mm | | Depth of Nitrogen Layer | 0.6-0.8mm | | Hardness of Nitrogen Treatment | 900-1100hv | | Roughness of The Surface | Ra0.4um | | Straightness of Screw | 0.015mm | | Place of Origin | Zhejiang China | | Hardness of Alloy | HRC62-72 | | Quality Control | Test Before Delivery | | Transport Package | Wood Box | | Specification | Screw Barrel | | Origin | Zhejiang Ruian | | HS Code | 8477900000 | | Production Capacity | 1000/Month | | Package Size | 250.00cm * 50.00cm * 50.00cm | | Package Gross Weight | 230.000kg | | Key words | Plastic extruder screw and barrel, plastic extrusion machinery screw, screw barrel, screw cylinder, plastic extruder screw barrel, plastic screw barrel, screw barrel for plastic extruder, screw and barrel for plastic extrusion machine, screw barrel for plastic extrusion machinery, single screw barrel | | Size | Screw diameter: Φ 20-Φ 500mm | | Maximum screw length | 10000mm | | Barrel inner bore diameter | Φ 500mm | | Material | 38CrMoAlA | | Technology | Nitriding treatment, | | Depth of nitrition layer | 0.5-0.8mm | | Nitriding treatment, surface hardness | HV≥ 900-1000 | | Fragility of nitrition | Less than grade 1 | | Surface roughness | Ra 0.4um | | Streightness of screw | 0.015mm | | Surface of hardness of nitrated Cr coating layer | ≥ 950HV | | Hardness of Cr coating layer | HRC55-62 | | Thickness of alloy plating | 0.03-0.08mm | | Depth of alloy layer | 2mm | | We promise | We assure the customer benefits, We provide competitive price, We Emphasis On Cooperation. | | Category | [Other Machine & Custom Screws](https://engineeringhardware.com/fastener-products/screws/other-machine-custom-screws/) | ## Technical parameters | 1.We have long history and experience . | | --- | | 2.We have most advanced equipment . | | 3.We have nitriding treatment for 7 days and nights | | 4.We can offer you best quality and price . | ## Description Bimetallic Screw and Barrel for Plastic Extruder Machine is part of our other machine & custom screws range (Screws). ### Key details - **Material:** 38CrMoAlA - **Size:** Screw diameter: Φ 20-Φ 500mm - **Warranty:** Nomally 1 Year - **Tempering Hardness:** 240-280hv - **Depth of Nitrogen Layer:** 0.6-0.8mm - **Hardness of Nitrogen Treatment:** 900-1100hv - **Roughness of The Surface:** Ra0.4um - **Straightness of Screw:** 0.015mm Available configurations include tempering hardness, hardness of nitrogen treatment, roughness of the surface, hardness of alloy and package size. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1 piece at US$120.00 – 12,000 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you. ## Frequently asked questions ### What is the minimum order quantity (MOQ) for Bimetallic Screw and Barrel for Plastic Extruder Machine? The listed minimum order is 1 piece, at US$120.00 – 12,000 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size. ### What are the main specifications of Bimetallic Screw and Barrel for Plastic Extruder Machine? Material: 38CrMoAlA; Size: Screw diameter: Φ 20-Φ 500mm; Warranty: Nomally 1 Year; Tempering Hardness: 240-280hv; Depth of Nitrogen Layer: 0.6-0.8mm; Hardness of Nitrogen Treatment: 900-1100hv. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include tempering hardness, hardness of nitrogen treatment, roughness of the surface, hardness of alloy and package size. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing. ### What is the lead time and how is it shipped? Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment. ### Which other other machine & custom screws are available? The Other Machine & Custom Screws category lists 14,058 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/screws/other-machine-custom-screws/](https://engineeringhardware.com/fastener-products/screws/other-machine-custom-screws/) How we work ## Specified, checked and shipped by Engineering Hardware & Fasteners Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing. - DIN, ISO, ASTM, ANSI, JIS and GB standard parts - Non-standard parts made to your drawing - Dimensions, thread gauges and plating checked before packing - Export cartons and pallets, consolidated mixed orders - Samples available for approval before mass production [![Production floor](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor-1024x683.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor.webp) Production floor [![Inspection bench](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench.webp) Inspection bench [![Sorting & 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custom quote →](https://engineeringhardware.com/contact/) ## Request a quote for this product ## Related products [All Other Machine & Custom Screws →](https://engineeringhardware.com/fastener-products/screws/other-machine-custom-screws/) [![NPT 1/2″Iron Casting Male Thread Equal Screw Galvanized Nipple with Hexagon Screw Nut](https://img.engineeringhardware.com/NPT-1-2-Iron-Casting-Male-Thread-Equal-Screw-Galvanized-Nipple-with-Hexagon-Screw-Nut.webp)](https://engineeringhardware.com/product/npt-1-2-iron-casting-male-thread-equal-screw-galvanized-nipple-with-hexagon-screw-nut/) Other Machine & Custom Screws ### [NPT 1/2″Iron Casting Male Thread Equal Screw Galvanized Nipple with Hexagon Screw Nut](https://engineeringhardware.com/product/npt-1-2-iron-casting-male-thread-equal-screw-galvanized-nipple-with-hexagon-screw-nut/) Iron · Internal Threaded **US$0.12 – 0.32**MOQ 100 pieces [![2-in 2-out DIN Rail Screw Terminal Block, 32A 690V Gray Copper Wiring 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