Need this item Next Day? If you do not have an account No Worries! Next Day Automation is NOT an authorized distributor for QC Industries. This is a surplus item. Shaft Diameter: 12mm (0.47).Next Day Automation, nor it's employees will be held responsible for accidental or intentional use or misuse occurring with this item. Address Next Day Automation 9472 Hemlock Lane N. Maple Grove, MN 55369 USA. 7:30am - 4:00pm CT. Open Monday through Friday, 7:30am-4:00pm. Powered by SixBit's eCommerce Solution.