... tricone drill bit:sizebit typein.mm6152.4136,127,517,537,617,6376 1/2165.1126,127,517,537,617,6377 1/2190 ... 537,617,6378 1/2215.9114,124,126,127,517,537,617,6379 1/2241.3126,127,517,537,617,6379 5/8244 ... ,517,537,617,63712 1/4311.1114,126,127,517,537,617,63713 5/8346117,126,127,517,537,617,63714 3/4374.6124 ... 7124,517,537,617,63717 1/2444.5114 117 124 126 21622558.8124,517,537,617,63724609.6124,517,537,617 ...