This company can make the double thread round stock and has plenty of sizes on hand. Can be used for Pivots on a folding knife. http://www.pencomsf.com/product/mec...doffs/rst-round-female-female-standoffs-inch/ There are also silicon bronze washers that should last a lifetime but I still have to find out what sizes are needed. one retailer is www.foldingknifesupplies.com
