... treatment: Hot dip galvanized6.packing: export carton and wooden pallet or wooden boxbolts and nuts 1.material:40Cr, 35CrMo ... .We supply various dimension track shoe bolt ,which are used for caterpillar, komatsu, hitachi, kobelco, daewoo, kato, hyundai, samsung ... tensile Description(TC bolt) Torshear type high strength bolts for steel structureMaterialAlloy steel ,carbon steel, stainless steel etc. ...