Hand Wheel,crank Hand Wheel,hand Wheel For Milling Machine,3 Spokes Hand Wheel,12 X 100 Mm With Rotating Handle,for Lathes, Grinders Standard Size: These handwheels are bored to the standard shaft diameter for their size. Handwheel total diameter: 100mm, center bore diameter: 12mm, slot width: 4mm. Material: The lathe milling wheel is made of quality bakelite, fine workmanship , smooth surface, strong insulation and durable use. Three-spoke design and internal wavy design, non-slip, more convenient to hold. Easy Installation: The steering wheel comes with a rotating handle, has a threaded hole for easy assembly of the handle. It completely relieves the burden on the hand during repetitive manipulations. Wide Application: The handwheel is ideal for any application requiring general or precise adjustment by turning a mechanism. It is widely used in industrial machine tools, such as milling machines, lathes, grinders, etc.