Solid pins for tractors and trucks,Website:http://www.eamachine.com, close die forged, CNC turned, milled, drilled, threaded.Materials: According to the customers’ demands, 41Cr4, 40Cr, 42CrMo4, 34CrNiMo6, Ck45, etc.We can supply the rough solid pin forgings, pre-machined, or finial machined, it’s depends on your demands.