Inquiry (采购产品): jam nut for J7 grinder I am needing the 3/4 jam nut that holds the grinding wheel on. Can you help me with this? Travis **** Hidden Message ***** Travis Vanover 28278 USA Company: Arc I nternational Title: Maint. Dir E-mail: tvanover@arcinternational.com **** Hidden Message ***** tvanover@arcinternational.com