... .We supply various dimension track shoe bolt ,which are used for caterpillar, komatsu, hitachi, kobelco, daewoo, kato, hyundai, ... samsung, sumitomo, mitsubishi, etc.Specifications Size from: M5 - M42 Length: 10mm-200mm Hexagon head bolt: Treatment: HDG ... tensile Description(TC bolt) Torshear type high strength bolts for steel structureMaterialAlloy steel ,carbon steel, stainless steel etc ...