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Screw For Injection
Accessories of
Screw & Barrel For
Conical Twin Screw
Parallel Twin Screw
The Bimetallic
Rubber screw
planet screw
Co rotating parallel
Gearboxes series
All types of screw
Material application
Advanced
Plastic Extruder


The normal material of Screw and Barrel:

Material:38CrMoALA
Hardness after hardening and tempering:HB260¡ã¡«320¡ã
Nitrided Hardness:HV950¡ã¡«1000¡ã
Nitrided Depth:0.50¡«0.7mm
Nitrided Brittleness:above 2 stage
Surface Roughness:Ra0.4
Screw straightness:0.015mm
Hardess of surface chromium-plating after Nitriding:HV¡Ý950HV
Chromium-plating Depth:0.05¡«0.10mm
ALLoy Depth:0.8¡«2.0mm
Alloy hardness:HRC56¡ã¡«65¡ã
Alloy:iron,nickel,tungsten,molybdenum.
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Material application and mechanical property
¡¤screw material...
¡¤barrel material...
¡¤Powder alloy steel screw[-ASP60¡¢ASP30¡¢ASP25]...
¡¤Ceramic special screw-plus fiber,fire retardant,flame retardant engineering plastics,ceramic,magnet powder...
¡¤The magnet powder specialized screw-engineering plastics which have glass fiber,fireproofing agent,and fire retardant,ceramics,magnet powder...
¡¤Halogen-free special full alloy screw--super wear resistance and corrosion resistance,suit for halogen-free+50%GF materials...
¡¤Teflon screw300-1200degree high temperature wires high temperature pipe,etc production...
¡¤itrogen Teflon screw profile...
¡¤alloy steel hard screw...
¡¤series alloy steel¡¾DC53¡¿-screw applied to:add more than 45%GF engineering plastics molding...
¡¤alloy steel screw[SKH59][SKH55][SKH51]...
¡¤SKD61 alloy steel screw¡¾SKD61¡¿Applicable to the following:35%GF engineering plastics molding.PA,PC,LCP,PBT plus fiber 15%-40%,engineering plastics and wood...
¡¤GH113 high temperature material...
¡¤stainless steel screw¡¾original Hatachi HPM38,S136,SUS440,9cr18mov and other imported stainless steel¡¿...
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