... Carbide 3) dia:6.0mm 4)Length:50mm square end mill1)TiAIN nano-coating(black)2)Materail:Solid Carbide3)Tolerance +0.01mm4 ... (HRC65)W4-50 Carbide44502, 3, 41.181.571.892.20 2.99 4.25 W4-75 Carbide44752, 3, 41.732.052.523 ... 47 W6-50 Carbide66502, 3, 41.892.833.313.94 4.57 6.30 W6-75 Carbide66752, 3, 42.834.094 ... Carbide12121002, 3, 410.2414.961720.94 23.62 32.28 High quality 4 flutes 45deg square end mill