7/16-20 Square weld nut - short pilot part number 2011-1 10000pcs 1/2-20 Square weld nut - short pilot part number 2013-1 2000 pcs (as per file in attachment) 5/16-18 hex weld nut -short pilot 3 projections part number HS3 51618 25000 Pcs. 1/4-20 hex weld nut short pilot 3 projections part number HS3 1420 10000 pcs 7/16-20 hex weld nut short pilot 3 projections part number HS3 71620 10000pcs (as per file in attachment)