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Rubber screw and barrel
SizeScrew Diameter:dia50-500mmMaximun screw length: 10000mmBarrel inner bore diameter: dia500mm
TECHNICAL DATA Depth of nitration case:0.4-0.7mm Hardness of nitration:HV900-1060 (HRc56°-65°) Roughness of the surface:Ra 0.4μm Screw straightness: 0.015mm/m Chrome plating thickness: 0.01-0.1mm