Zhoushan Jianghai Screws Manufacturer Co., Ltd

Material *8 CrMoA1A Diameter *****0mm L/D Ratio L/D=****6 Nitriding Layer Depth 0.**0.8mm Nitriding Fr

Barrel Surface Roughness: Ra0.4um Barrel Straightness: 0.**5mm Inner Diameter: *****0 X ***0mm L/D Ratio: L

Material *8CrMoAIA Diameter **- **0 L/D Ratio L/D=***0 Surface Roughness Ra0.4 Screw Straightness 0.**5

The materials of building blocks screw adopt high-strength steel, W6Mo5Cr4V2 or *8CrMoALA with nitriding treat

Material: *8CrMoALA, SKD*1, SKD*1, D2 Diameter: D**-D**0 mm L/D Ratio: L/ D=****0 Surface Roughness: Ra0.4m

Screw diameter :*4mm***0****0mm L/D = ****0 Surface Roughness :Ra0.4um Linearity of the screw: 0.**5mm

Material:*8CrMoAlA, Tungsten alloy, SKD*1, *5CrMo Treatment: Nitriding treatment, Foundry, Quenching Nitridi

Basic information: Screw: Twin-Screw Application: PVC Profile, Pipe, UPVC Granulation L/D Ratio: ****5 Spe

Material: Alloy-steel of high-quality 1)*8 CrMoAIA(JIS SACM**5) 2)*2CrMo(AISI***0) 3)9Cr*8MOV 4)CW6M

Diameter *****0 L/D Ratio L/D=****6 Surface Roughness Ra 0.4m Nitriding Layer Depth: 0.5 0.8mm Nitriding F

Basic information: Screw: Twin-Screw Application: PVC Profile, Pipe, UPVC Granulation L/D Ratio: ****5 Spe