Edgev Carbide Inserts 16er 16IR 11BSPT 14BSPT 19BSPT 28 BSPT Lathe Cutter Thread Turning Tungsten Blade, Find Details and Price about 16er Thread Turning inserts and 16IR Thread Turning inserts from EDGEV HARDMETAL TOOLS (DALIAN) CO., LTD.