"Inserts For Wheel Boring Roughing Operation In Simmons Boring Machine O F Assembly Shop,Inserts To Designation Snmg 150612(Rs-850 Grade) Make:Kennametal Or S Eco Or Snmg 150612E Pd5 Ac 350P Of Make Korutech. Performance:A Minimum Life Of Borin G 100 Wheels Per Insert." ]