Specification: Screw diameter: d15- d 300 L/d ratio: 15-46 Product classification: Aiming at different plastic products the screw can be chosen from: general type, pin type, barrier type, separation type, and gas-exhausting type, etc. Base materials: (1)38crmoala(jis sacm645) (2)42crmo(aisi 4140) (3)4cr5mosi v1 (jis skd-61) (4)9cr18mov (5)hpt Bimetallic alloy materials: 1)fe-based alloy 2)ni-based alloy/deloro alloy 3)co-based alloy 4)nico-based alloy 5)tungsten carbide/wolfram carbide Technics: Heat treatment High-frequency quenching Nitriding treatment Hard-chrome electroplating Bimetallic alloy welding Bimetallic alloy centrifugal casting Technical parameter: Nitrided layer depth: 0.5-0.8mm Nitrided hardness: 900-1000hv Nitrided brittleness: less than grade 1 Surface roughness: ra0.4 Linearity of screw: 0.015mm Hard-chrome plating hardness after nitriding: >950hv Chrome-plating layer depth: 0.025-0.085mm Bimetallic layer depth: 3mm Slushing oil coated& film wrapped in wooden case
Specification: Screw Diameter: D15- D 300 L/D ratio: 15-46 Product classification: Aiming at different plastic products the screw can be chosen from: General type, pin type, barrier type, separation type, and gas-exhausting type, etc. Base Materials: (1)38CrMoAlA(JIS SACM645) (2)42CrMo(AISI 4140) (3)4Cr5MoSi V1 (JIS SKD-61) (4)9Cr18MOV (5)HPT Bimetallic alloy materials: 1)Fe-based alloy 2)Ni-based alloy/Deloro alloy 3)Co-based alloy 4)NiCo-based alloy 5)Tungsten carbide/Wolfram carbide Technics: Heat treatment High-frequency quenching Nitriding treatment Hard-chrome electroplating Bimetallic alloy welding Bimetallic alloy centrifugal casting Technical parameter: Nitrided layer depth: 0.5-0.8mm Nitrided hardness: 900-1000HV Nitrided brittleness: less than grade 1 Surface roughness: Ra0.4 Linearity of screw: 0.015mm Hard-chrome plating hardness after nitriding: >950HV Chrome-plating layer depth: 0.025-0.085mm Bimetallic layer depth: 3mm Slushing Oil Coated& Film Wrapped in Wooden Case
Screws and barrels for extruder machine Depth of nitrated layer: 0.5-0.8mm Hardness of nitration: 900-1020hv Fragility of nitration: less than grade 1 Surface roughness: ra 0.4um Surface hardness of nitrated cr coating layer:í²950hv Hardness of bimetallic layer: hrc55íp-72íp Thickness of cr-coating layer: 0.03-0.08mm Depth of bimetallic layer:ú+2mm Specifications of screw: ª)20-ª)250 l/d 15-50 we offer various types of extruder screws and adjust to different compression ratio, which can fulfill customer's requirement perfectly.
Screws and barrels for rubber processing machine Various types of feed screws and barrels for rubber machine
Screws and barrels for injection molding machine Specifications:30g-25000g screws, can be matched with corresponded screw heads, distributors, barrels according to customer's requirement Depth of nitrated layer: 0.5-0.8mm Hardness of nitration:900-1020hv Fragility of nitration: less than grade 1 Surface roughness: ra 0.4um Surface hardness of nitrated cr coating layer:í²950hv Hardness of bimetallic layer: hrc55íp-72íp Thickness of cr-coating layer: 0.03-0.08mm Depth of bimetallic layer :ú+2mm
Product Name: Precision Engineered Machine Screw Product Description: Our machine screws are meticulously crafted to deliver exceptional durability, precision, and reliability across a range of industrial and commercial applications. Designed to meet OEM standards, these screws are suitable for assembly in machines, electronics, automotive, and construction industries. Key Features: Material: High-grade stainless steel, carbon steel, or alloy steel for superior strength and corrosion resistance. Size Range: Customizable lengths and diameters are available as per specifications. Threading: Accurate and smooth threading ensures easy installation and a secure fit. Finish Options: Zinc plating, black oxide, nickel, or custom coatings for enhanced aesthetics and protection against wear and corrosion. Tolerance: Manufactured strictly to ISO/ANSI/DIN standards to guarantee dimensional accuracy. Applications: Widely used in machinery assembly, electronic enclosures, automotive assemblies, and structural applications. Production Process for Machine Screws: Material Selection: High-quality raw materials like stainless steel rods or carbon steel wires are selected based on the required properties. Cutting: The raw material is cut into precise lengths matching the screw size using automatic cutting machines. Cold Heading: The cut blanks are fed into a cold heading machine, where the screw head is formed by applying high-pressure force without heating the material. Thread Rolling: Threads are created through a rolling process, where the blank is passed between hardened dies to ensure a strong and accurate thread profile. Heat Treatment: Depending on the material, screws are heat-treated to enhance their strength, durability, and wear resistance. Surface Finishing: A protective coating or plating is applied to prevent rust and improve appearance. Common finishes include zinc plating, galvanizing, or black oxide coating. Quality Inspection: Each screw undergoes rigorous quality checks for dimensions, threading accuracy, tensile strength, and finish. This ensures they meet international standards. Packaging: Machine screws are packed in bulk or customized quantities, labeled with size and specifications for easy identification. Customization Options: We offer tailored designs for machine screws to meet specific requirements, including variations in head shapes (flat, round, hex), drive types (Phillips, slot, hex), and material grades. Our commitment to quality and precision ensures that every screw contributes to the seamless operation of your machinery or assembly line.
Over 29 years experience in screw and barrel , more info pls find kaylee(at)tizatech.com Specification: Diameter: Ã?15-Ã?500 L/D ratio:15-55 Base Materials: 1)38CrMoAlA(SACM 645) 2)42CrMo(AISI 4140) 3)Cr12MoV(SKD11) 4)4Cr5MoSiV1(SKD61) 5)9Cr18MoV 6)40Cr Bimetallic Alloy Materials: 1)Fe-based alloy 2)Ni-based alloy 3)Co-based alloy 4)Tungsten carbide Processing Technology: Heat treatment High-frequency quenching Nitriding treatment Hard-chrome electroplating Bimetallic alloy welding Technical Parameter: Nitrided layer depth:0.50-0.80mm Nitrided hardness: 900-1100HV Nitrided brittleness: Less than 2 level Surface roughness: Ra 0.4 Linearity of screw: 0.015mm Hard-chrome plating hardness: â?¥950HV Chrome-plating layer depth: 0.025~0.10mm Bimetallic layer depth: 2 mm Bimetallic hardness: HRC50-65 Material to be extruded: PP, PE, PVC, ABS, AS, PS etc. We can manufacture all types of screws and barrels according to clientsâ?? requirement
Twin conical screws and barrels Types of double screws Gradual, levity, commingle, taper, supper, taper, granulating etc. Used for producing pipes, profiles and sheets of ordinary plasticíópp, pe, absíóasíóps etc
Twin Conical Screws and Barrels Types of double screws gradual,levity,commingle,taper,supper,taper,granulating etc. Used for producing pipes,profiles and sheets of ordinary plasticíóPP,PE,ABSíóASíóPS etc
Specification: Screw diameter: d20mm-d220mm Mould clamping force: 250t-3200t Shot weight: 30g-30000g Technical information Base materials: (1)38crmoala(jis sacm645) (2)42crmo(aisi 4140) (3)4cr5mosi v1 (jis skd-61) (4)9cr18mov (5)hpt Bimetallic alloy materials: 1)fe-based alloy 2)ni-based alloy/deloro alloy 3)co-based alloy 4)nico-based alloy 5)tungsten carbide/wolfram carbide Technics: Heat treatment High-frequency quenching Nitriding treatment Hard-chrome electroplating Bimetallic alloy welding Bimetallic alloy centrifugal casting Technical parameter: Nitrided layer depth: 0.5-0.8mm Nitrided hardness: 900-1000hv Nitrided brittleness: less than grade 1 Surface roughness: ra0.4 Linearity of screw: 0.015mm Hard-chrome plating hardness after nitriding: ¡ã 950hv Chrome-plating layer depth: 0.025-0.085mm Bimetallic layer depth: 3mm. Slushing oil coated& film wrapped in wooden case
Specification: Screw diameter: d20mm- d220mm Mould clamping force: 250t-3200t Shot weight: 30g-30000g Base materials: (1)38crmoala(jis sacm645) (2)42crmo(aisi 4140) (3)4cr5mosi v1 (jis skd-61) (4)9cr18mov (5)hpt Bimetallic alloy materials: 1)fe-based alloy 2)ni-based alloy/deloro alloy 3)co-based alloy 4)nico-based alloy 5)tungsten carbide/wolfram carbide Technics: Heat treatment High-frequency quenching Nitriding treatment Hard-chrome electroplating Bimetallic alloy welding Bimetallic alloy centrifugal casting Technical parameter: Nitrided layer depth: 0.5-0.8mm Nitrided hardness: 900-1000hv Nitrided brittleness: less than grade 1 Surface roughness: ra0.4 Linearity of screw: 0.015mm Hard-chrome plating hardness after nitriding: 950hv Chrome-plating layer depth: 0.025-0.085mm Bimetallic layer depth: 3mm. Slushing oil coated& film wrapped in wooden case
Wooden Drum Barrel The typical specifications of a wooden drum barrel include a main material of oak wood, measured in gallons or liters (e.g., 5, 15, 30, 55 gallons), a metal hoop or band frame (usually steel), top and bottom closed with wooden heads, and a possible bung for sealing. The weight, surface finish, and other details may vary depending on the specific use case. MOQ: 100 pcs Made in Vietnam