QAQ-Spindle AssemblyUnpowered Spindle Assembly Control DIY Mini CNC Milling Machine B16 Drill Chuck M10 Shaft Sleeve for DIY Bench Drills Bench Mills Table Saws**

The gasket is added between the slider and the synchronous wheel isolating of 1mm to lock tightly. rotation no mutual grinding good accuracy. This unpowered spindle is machined by grinding machine with an accuracy of 0.005mm. Can be used to DIY bench drills bench mills table saws. etc. Can work with 4 inch grinding wheel cutting saw blade etc.