Solid Carbide Endmills H650 - High Helix ∙ Square ∙ 2F / 4F .ARCO coating provides a superior wear resistance. .Suitable for HRC 50 and over HRC 50 Hardened Steel, also maximum up to HRC 65. .UMG Carbide with Incredible toughness and wear resistance at hi speeds. .Good surface and long tool life. .The coating can change to SICO. Order No. Dia.(d) CL(L1) OAL Shank Flutes(L)(D)(F) EHSSH * EHSSH240200A 0.2 0.4 50 4 2 * EHSSH240300A 0.3 0.6 50 4 2 * EHSSH240400A 0.4 0.8 50 4 2 P M K N S H * EHSSH240500A 0.5 1.0 50 4 2 ● ○ ● ○ ● * EHSSH240600A 0.6 1.5 50 4 2 * EHSSH240700A 0.7 2.0 50 4 2 d * EHSSH240800A 0.8 2.0 50 4 2 * EHSSH240900A 0.9 2.0 50 4 2 L1 * EHSSH441000A 1.0 3 50 4 4 * EHSSH441500A 1.5 4 50 4 4 * EHSSH442000A 2.0 5 50 4 4 * EHSSH442500A 2.5 6 50 4 4 * EHSSH433000A 3.0 8 50 3 4 L * EHSSH443000A 3.0 8 50 4 4 * EHSSH444000A 4.0 10 50 4 4 EHSSH404000A 4.0 10 50 6 4 EHSSH405000A 5.0 13 50 6 4 EHSSH406000A 6.0 15 50 6 4 EHSSH408000A 8.0 20 60 8 4 EHSSH410000A 10.0 25 75 10 4 EHSSH412000A 12.0 30 75 12 4 D(h6) EHSSH416000A 16.0 35 100 16 4 EHSSH420000A 20.0 45 100 20 4 Cutting conditions : Table 008 d Tolerance ✽ is ARCO Coating d ≤ 12 0 ~ -0.02 is SICO Coating d > 12 0 ~ -0.03 A025