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Full Hardening Screw And Barrel 

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Packagingwooden case (export standard) 

Packaging & Delivery
Package Type:
wooden case (export standard) 

Full hardening Screw And Barrel

Specification Injection Screw Barrel :

Screw diameter:
20mm,25mm,30mm,35mm,40mm,45mm,50mm,55mm,60mm,65mm,70mm,75mm,80mm,85mm,9
0mm,95mm,100mm,105mm,110mm,115mm,120mm,125mm,130mm,135mm,140mm,150mm,160mm...
Mould clamping force:250T-3200T

Shot weight:30G-30000G

QunYing(screw and barrel) is one of the best manufacturer in china,including designing,manufacturing and sales for these products,we supply screw barrel for Haitian,Chende,Chen Hsong,Demag,Engle,Nigrobossi,KMD,NPM,BOY,HUSKY,Nippon Steel,Toshiba, Nissei,Mitsubishi,CINCINNATI,BATTENFELD,KRUSSMAFFEI,BAUSANO,WEBER,AMUT and etc. Qunying also can supply all types of screw and barrel according to your different requirements.

Steel Material 1)38CrMoAlA(JIS SACM645);2)Cr12MOV(JIS SKD-11) ;
3)4Cr5MoSiV1(JIS SKD-61) ;4)42CrMo(AISI 4140)
Deepness of Nitriding Layer 0.7 mm -0.9 mm
Hardness of Nitriding HV900 - HV1,000
Nitriding Brittleness  ≤Grade 1

Chromate plating

Thickness 0.05 mm - 0.10 mm, hardness HV950

Special treatment

Carbide coating on screw flight and Bimetallic Barrel
Screw straight tolerance 0.015 mm/m
Surface roughness Ra 0.4μm



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