Screw Size:32mm Accessories: Screw head, Rings, Nozzle Tip Set Base Materials: SACM645,SCM440,SKD61 Steel Process: Nitrided & Bimetallic & Chrome ... Hardness: HRC55-65 Suitable for: PP, PE, ABS, PET, PVC, PS ... Delivery time: 20-25 days
The Standard Injection Molding Parts List We Make and Send:

Screw Type | Specification | Plastics Application | Characteristics |
Bimetallic Screw | SACM645 Steel, top spray weld Tungsten carbide-based alloy | Transparent products, PA6, PA66 and other Engineering materials with fibers | Surface hardness is about HRC60°, Alloy layer thickness is 0.8-2.5mm, and it is wear-resistant |
Chromed Screw | plated with Chromium, Titanium | PC/PMMA/PET transparent material,corrosive PVC | The coating is 0.03-0.06mm thick, the hardness is about HRC60°, and it is corrosion resistant |
Stainless Steel Screw | Overall quenching hardening | High corrosion-resistanct | The overall hardness is about HRC 55°, and it is corrosion resistant |
SKD61 Screw | SKD61 material, special process treatment | General Purpose Plastics | Good toughness and strong torsion resistance |
Nitride Screw | SACM645 substrate, nitrided | PP, ABS, PS, AS, PVC and other common plastics | Nitriding layer depth is 0.5-0.8mm, and the hardness is HV980-1080 |
Barrel Material | Process | Hardness | Application | Characteristic |
SACM645/38CrMoala | Nitriding | HV 950-1000 | General Plastics such as PP、PE、ABS、PS、AS、PVC etc | Stable and the cost is low, the corrosion/wear resistance are average. |
SCM440/42CrMo | Bimetallic | HRC 58-62 | Engineering plastics (such as PA, PBT), PPS, LCP and other highly corrosive or filler plastics with glass fiber | Excellent wear /corrosion resistance,suitable for high wear and corrosive plastics |
Stainless Steel (9Cr18MoV) | Hardening | HRC 55 | Suitable for food, medical and other occasions with hygiene requirements, or for processing some plastics with special corrosiveness | Good corrosion resistance, meet hygiene standards. |
Materials & Treatments:
⁕Bimetallic Process :
Basis Materials: SACM645, SACM440, SKD61, SKD11
Hardness: 53-58 HRC
Coating Thickness: 1.5-2.0mm
Allication: Plastic Recycling ≤2 Times, Plastics With Glass Fiber≤35%
Wear resistance: ★★★★★
Corrosion resistance: ★★★
Basis Materials: SACM645, SACM440, SKD61, SKD11
Chrome Thickness: 0.02-0.08mm
Hardness of Chrome: >700 HV
Finish Grade: Ra ≤0.4
Allication: PVC and other high corrosive plastics
Wear resistance: ★★
Corrosion resistance: ★★★★★
⁕Full Hardened Process:
Basis Materials: DC53, D2, M2, SKD61, SKD11 ...
Chemical Composition: C, Si, Cr, Mn, Mo, V, Ni
Hardness: SKD61(HRC56-58), DC53( 62-63 HRC)
Application: PP PA LCP, POM, PPA, PBT, PC, PPS, PEI, PEEK with Glass Fiber ≤50%
Wear resistance: ★★★★★
Corrosion resistance: ★★★★★


![]()
FAQS:
Q: Which models' drawings do you have ?
A: We have a complete database of drawings, please tell us the machine name and model, then we can check database and quote.
Q: When will you arrange the production?
A: We can arrange production soon after order & drawings confirmation
Q: What is your delivery time ?
A: Standard delivery time is 20-25 days, if the screw's diameter is less than 50mm, the delivery time can be 15-20 days
Q: What is your accepted payment type?
A: T/T
Q: What logistic forwarder do you usually work with?
A: EMS, TNT, UPS, FEDEX and other high-efficient logistric forwarders
Q: What is your warranty Time ?
A: 12 months when shipment on board
![]()
Customers Machinery List :

| Haitian Injection Molding Systems | Chen Hsong Injection Molding Systems | Hwamda Injection Molding Systems |
| Yizumi Injection Molding Systems | Nissei Injection Molding Systems | TOYO Injection Molding Systems |
| Toshiba Injection Molding Systems | Borche Injection Molding Systems | Haida Injection Molding Systems |
| JSW Injection Molding Systems | Arburg Injection Molding Systems | Engel Injection Molding Systems |
| Krauss Maffei Injection Molding Systems | Battenfeld Extrusion Systems | Tederic Injection Molding Systems |
| Cincinatti Milacron Injection Systems | Kawaguchi Injection Molding Systems | Jwell Extrusion Systems |
| Sumitomo Injection Molding Systems | Tederic Injection Molding Systems | Fanuc Injection Molding Systems |
| Haixing Injection Molding System | FCS Injection Molding System |


![]()

Please feel free to contact us and send the nameplate of machines, then we would check drawings in database and quote price ASAP
Screws and Tip Accessories With new TiN and TiAI
Injection molding screws after our polishing pro
Precision CNC Machining process for screw barrel
Contact: Richard Wang
Phone: 15372657153
Tel: +86-15372657153
Email: info@tokindustry.com
Add: No.1807, R&D Park C Zone -12, Guanghua Road, Hi-Tech District, Ningbo, China
We chat