Tyenaza 3D Printer Extruder Gear Hardened Steel RNC Nano Coating High Hardness Drive Gear Wheel Shaft Bearing Kit

Produktbeschreibung
5 PCS SET: The kit contains 2 pcs extrusion gears, 1 pc shaft, 2 pcs needle bearings, compatible with multiple 3D printer . SUPER HIGH HARDNESS: Forged from hardened steel, the overall hardness reaches HRC60+, the parts are more sturdy and stable. RNC NANO COATING: The is RNC based nano coating, with ultra high hardness HV330, more wear . WIDE COMPATIBILITY: This 3D printer drive gears kit is compatible with multiple , easy to replace and install. PRECISE SIZE: The dimension accuracy of the inner hole is 0.02mm, the gears could be closely matched with the shaft and has high concentricity.