Tender For corrigendum : supply of 7 types of shell end - 4102100010 shell end mill dove tail face dia 80mm hss m42 material , 4205106574 gear hobbing cutter , 4205999091 gear hob as per drg. no. 60647 , 4205999213 worm hob rough hss m35 material tialn coated , 4205999487 serration hob for 52t , 4205999488 serration hob for 48t asp 30 material to , 4205999570 spline hob hss m35