... sizes of tie plates, clamps, fastenings, gauge plates, tie pads, fish plates and joint bars.4, Rail brace, welded shoulders ... fasteners.6, Nuts, flat washers and spring washers, plastic pads, nylon insulator, bushing etc.Stainless Steel Hex bolts nuts washers ... flush bolt3.40Cr Bolt4.excavator and bulldozer track shoe bolt.We supply various dimension track shoe bolt ,which are used for caterpillar, ...