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
Plastic Extruder

The normal material of Screw and Barrel:

Hardness after hardening and tempering:HB260㡫320
Nitrided Hardness:HV950㡫1000
Nitrided Depth:0.500.7mm
Nitrided Brittleness:above 2 stage
Surface Roughness:Ra0.4
Screw straightness:0.015mm
Hardess of surface chromium-plating after Nitriding:HV950HV
Chromium-plating Depth:0.050.10mm
ALLoy Depth:0.82.0mm
Alloy hardness:HRC56㡫65
Screw For Injection Molding Machine

Process Specifications of screw and barrel
25-38000KN clamping force
30g-50000g injection unit 

Types of screw
[For good plasticizing effect , we have different design of screw barrel to meet customers demand]
Gradual type, mutant type, wave type, barrier type, double screen type, shunt type, separation type,exhaust type, pin type, mixed type, double- head type, three-head type, multi head type etc.


imported alloy steel hard screw and application
1;EFZD alloy steel hard alloy screw
2;DC53 full hard screw
3;SKH-9/51 (M2,W6), SKH-55(M35),SKH-59(M42),W18Cr4V,YXMI alloy s...

1Ceramic special screw    plus fiber,fire retardant,flame retardant engineering plastics,ceramic,magnet powder
2The magnet powder specialized screw    engineering plastics which have glass fiber,fire proofing agent,and fire retardant,ceramics,magnet powder
3Halogen-free special full alloy screw    super wear resistance and corrosion resistance,suit for halogen-free+50%GF materials.
4Teflon screw 300-1200degree high temperature wires high temperature pipe,etc production
5itrogen Teflon screw profile

More pictures show

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