Gem Bids For Hss Grade M-42 Combined Form Tool Size: Oal-105Mm X Flute Length- 60Mm X Shank Dia-9.3 Mm Xstep, Hss Grade M-42 Combined Form Tool Size: Oal180mm X Flute Length- 80Mm X Dia-16Mm X Step Dia-12.8M, Solid Carbide Coated Combination Form Tooldia-8Mm X Oal-60Mm X Under Cut-0.2Mm X 0.02Mm Xdia- 4.43