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1. Bimetallic conical twin screw and barrel
2. Based Material : 38CrmoAla , 40Cr
3. bimetallic material : Stellite1. Stellite 6, Stellite 12, Nitralloy, colmonoy56, colmonoy83
packaging detail : wrapped in wooden box (strong export wooden case)
delivery time : 20-30 days after we received the 30%TT deposit
1. Any specification per drawing;
2. New drawing could be customized- designed;
3..we can offer the conical twin Extruder
4. We can offer the accessories like gearbox , heater and fans
About JT company
With the company philosophy of Emphasize the details and Pursue the excellence, our products satisfied customers all over the world.
Quality always comes first. Our experienced workers pay attention to every tiny procedure during the production and inspection, to ensure the precision, durability and hardness of our screws & barrels.
Service makes us outstanding. To provide our customers with the excellent service which they deserve, our sales people are trained on the products every day. They are always ready to answer your questions and offer the best solutions in fluent English at any time.
Hardness After Hardening&Tempering | HB280-320 |
Nitride Haedness | HV850-1000 |
Nitride Brittleness | >=Grade Two |
Surface Roughtness | Ra 0.4 |
Screw Straightness | 0.015mm |
Alloy hardness | HRC50-65 |
Alloy depth | 0.8-2.0mm |
Surface Chromium-Plating’s Hardness After Nitriding | >= 900HV |
Chromium-Plating Depth | 0.025-0.10mm |
Materials |
38CrMOAlA ( JIS SACM645) |
42CrMo (JIS SCM440) |
40Cr |
GH113 |
SKD11 |
SKD61(H13) |
Gr12MoV |
Duplex Stainless Steels |
Packaging | Wrapped in Film by woodcase |
Payment | T/T L/C western union |
Delivery time | 28 days |
Harbor | Ningbo/Shanghai |
Lifespan | More than 2 years |








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