SizeMorseTeethThread LengthOverall Length142315105162315105182320110203420130223420130253420130263420130284420160304425160324425160 Chengdu Tengqiang Industrial Co., Ltd. located inChengdu City, Sichuan Province, integrates the smelting, refining, electroslag re-melting, forging and mould manufacturing of high speed steel (W6 / W18 / W9) , new die materials (HM3, HD, H13 and 3Cr2W8V), tool cutter, tool cutter grinder and stackers..