●40CrMo Grooving Slotting Tool Cut Off Tool holders, 1/2in shank dia ,and 3.94in length, Screw compression type, quick and easy installation and removal.Quenching and hardening, stable processing and good shock resistance; ●Feature: DCMT11T304, Radius 0.4 inserts are suitable for finishing and semi-finishing of stainless iron. Perform good even in very dirty environment ●Coating: CVD , DCMT21.5 baldes are used for Steel and Stainless steel parts processing. Coating endows inserts strong impact resistance, good versatility with high precision, high finish and high wear resistance. ●Advantage: Wear-resistant and heat-resistant, not easy to stick to the holders or workpieces or break up.Vacuum hardening, exquisite craftsmanship, easy cutting. ●Package includes: 1pcs SDJCR1212H11 Holder with 10pcs DCMT32.51 /DCMT11T304 Gold carbide inserts