All our products are quality assurance products, screw barrel materials can be made according to different plastic materials, choose the right materials, products in the case of non-human damage, products are guaranteed for one year, good product quality, good after-sales service, a good guarantee. Please rest assured to order, screw is combined with the characteristics of plastic products designed and made, with a strong targeted.

(1. 38CrMoALA (Imported SACM-645)
Screw/cylinder: 38CrMoALA material, processing temperature below 350 degrees, nitriding overall hardness HRC50°-53°, nitriding surface depth 0.5-0.8mm, finish Ra0.4um; Suitable for general ABS, PP, PS, PE, PA, HIPS, TPR, EVA, PPS, TPU, PPO, soft PVC and so on (without fiber).
2. Stainless steel (environmentally friendly)
Screw/barrel: stainless steel screw, through the whole quenching treatment, especially suitable for processing PC, PMMA, PET transparent products and corrosion resistant U-PVC, ABS, PP fire materials and other plastics.
Its high temperature resistance is below 450 degrees, the overall ancient hardness HRC48°-50°, vacuum nitriding, nitriding depth 0.5-1.0mm, finish: RA0.4um.
3, 42 crmo / 38 crmoala
Screw/cylinder: 42CrMo screw medium frequency chrome plating, high temperature resistance below 500 ° C, nitriding overall hardness HRC48°-50°, nitriding surface depth 1.0-1.2mm, finish Ra0.4um; Machine barrel 38CrMoALA material, suitable for transparent PC, PMMA, also suitable for bakelwood and hard PVC and other engineering materials add 15% hair fiberglass.
4. Double alloy Grade C
Screw/cylinder: Double alloy C containing 9.5% of tungsten carbide (nickel, chromium, carbon, tungsten and cobalt), high-temperature resistance below 500 ° C, PTA tooth top spraying, overall hardness HRC55°-58°, cylinder insert double alloy C, alloy layer 3.0-4.0mm, finish ra0.4um; Suitable for engineering material plus 15% glass fiber.
5. Double alloy Grade B
Screw/cylinder: Double alloy Grade B containing 25% tungsten carbide (nickel, chromium, carbon, tungsten, cobalt), high temperature resistance below 550 ° C, screw full-sprayed alloy thickness 1.5-1.8mm, overall hardness HRC58°-60°, finish ra0.4um; The barrel is inserted with double alloy Grade B and the alloy layer is 3.0-4.0mm; Suitable for PC, POM, PP, PBT, PE, ABS+PC, PET+GF, SPVC, RPVC, TPU, PA and other engineering materials add fiberglass under 25%-30%.
6. Double alloy Grade A
Screw/cylinder: Double alloy Grade A containing 40% tungsten carbide (nickel, chromium, carbon, tungsten, cobalt), high-temperature resistance below 600 ° C, screw spray alloy thickness 1.0-1.55mm, overall hardness HRC58°-62°, finish ra0.4um; Machine barrel alloy A grade, alloy layer 3.0-4.0mm, suitable for PC, POM, PP, PBT, ABS+PC, PET, SPVC, RPVC, TPU, PA and other engineering materials add 30%-45% glass fiber.
7, SKD61 / K1
Screw/cylinder: SKD61 screw imported material, high-temperature resistance below 500 ° C, vacuum nitriding, overall hardness HRC58°-60°, surface depth of nitriding: 0.5-1.0mm, cylinder K1 iron alloy material, wear-resisting economy, finish: Ra0.4um; Suitable for engineering material plus glass fiber under 20%. Suitable for mixed color PC, PC+ABS alloy material, PC+ glass fiber below 20%, PE+ mineral powder, nylon PA+20% glass fiber, etc.
8. Ypt41/k1 (Environmental protection)
Screw/cylinder: YPT41 imported all-hard alloy steel, high temperature resistance below 600 ° C, overall hardness HRC58°-60°, corrosion resistance, corrosion resistance, finish ra0.4um; Machine barrel K1 iron alloy material, wear-resistant economy, transparent PC, PMMA dedicated.
9. YPT42/K5(Environmental protection)
Screw/cylinder: YPT42 imported all-hard alloy steel, high temperature resistance below 650 ° C, overall hardness HRC58°-62°, corrosion resistance, high temperature resistance, finish ra0.4um; Machine barrel K5 nickel base alloy material wear-resisting and corrosion-resisting type; Suitable for PC, POM, PP, PBT, ABS+PC, PET+GF, SPVC, RPVC, TPU, PA and other engineering materials add 30%-40% glass fiber.
10. YPT72/K6 (Environmental protection)
Screw/cylinder: YPT72 imported all-hard alloy steel, high temperature resistance below 650 ° C, overall hardness HRC58°-62°, wear resistance, corrosion resistance, high pressure resistance, finish ra0.4um; Machine barrel K6 cobalt-based alloy material, high temperature resistance, high speed resistance, high pressure resistance, wear resistance, corrosion resistance type, suitable for PC, POM, PP, PBT, ABS+PC, PET+GF, SPVC, RPVC, TPU, PA and other engineering materials add 40%-60% glass fiber; It is also suitable for adding iron powder, magnetic powder, copper powder and aluminum powder.
11, YPT83 / K6
Screw/cylinder: YPT83 imported all-hard alloy steel, corrosion resistance up to 70%, high temperature resistance below 700 ° C, overall hardness HRC58°-62°, wear resistance, corrosion resistance, high pressure resistance, finish ra0.4um; Machine barrel K6 cobalt-based alloy material, high temperature resistance, high speed resistance, high pressure resistance, wear resistance, halogen-free screw dedicated.
12, ceramic
Ceramic screw, imported material YPT42, ceramic thickness 0.1mm. High temperature resistance below 1000 ° C, overall hardness HRC88°-90°, corrosion resistance, wear resistance, acid and alkali resistance, finish Ra0.4 m; Machine barrel alloy material wear-resisting and corrosion-resisting type; Suitable for high acid and alkali engineering materials; And 40% glass fiber.)