Cutting Diameter Description Series Page Depth 45A .375 - .750 .02 - .06 High Feed Roughing, Solid Carbide 402 Center Cutting Ultra High Feed Tip 47A, 48A .016 - .314 - 1.000 High Feed Roughing, 4 & 6 Flute 403 .145 Center Cutting High Feed Tip 48U .375 - .625 .19 - .35 Back Draft Finishing, Solid Carbide 404 Not Center Cutting Backdraft Toroidal 45B .312 - .625 .31 - .63 405 Straight Ball Nose Ball Nose Tip 45B .312 - .625 .31 - .63 High Precision Tip for 405 Ball Nose Tip Hardened Steel 45X .375 - .750 .33 - .66 Straight 406 Straight Ball Nose Ball Nose Tip 45B, 47B .312 - .750 .20 - .62 High Precision 407 Helical Ball Nose Ball Nose Tip 47B .250 .20 High Precision 408 Helical Ball Nose Ball Nose Tip 45B .312 - .750 .20 - .50 Helical Ball Nose Tip 409 Helical Ball Nose for Aluminum 45N, 45M, 45P .315 - .390 .14 - .29 Chamfer and 410 30°, 45°, 60°, 72° Center Cutting Spotting Tip 387