These are custom 316 stainless steel threaded rods cut and chamfered to 11-1/2 lengths.  We supplied this specific order at just 360 pieces with 3/4-10 thread.  Material certs were supplied with the parts per the customer's request and the lead time was at just 3-4 days from the initial order.  Our internal part number for these custom 316 stainless steel studs is ATR-075C11.5-J.