Tender For supply of turning insert cnmg-120408 with suitable grade to cut heat treated high carbon alloy steel material , internal threading insert 16 irm 3. 0 iso with insert grade tt9030 or similar grade suitable to cut s , external threading insert 16 erm 3. 0 iso with insert grade tt9030 or similar grade suitable to cut s , carbide insert tnmg 160408 coated, make: taegutecml tt 5080/iscar-ic 907/ sandvik-pm 4315 & similar