Chicago-Latrobe 69854

The CHICAGO-LATROBE 69854 Screw Machine Drill Bit Set includes 60 cobalt steel drill bits sized from #60 to #1, intended for drilling applications using the specified drill bit size range; suitability for a given material depends on application parameters. The bits have a screw-machine length and a split point tip angled at 135 degrees, suitable for right-hand cutting. This set comes housed in a metal index case and shank type is straight for use with compatible chucks per the chuck’s specifications. These drill bits are intended for general machining and drilling use in screw-machine applications and not specified for coolant-through use. Key Features: - Drill Bit Material: Cobalt steel with heavy-duty grade - Sizes Included: 60 pieces ranging from #60 (smallest) to #1 (largest) - Point Type: Split point with a 135-degree angle for precision drilling - Flutes: Two spiral flutes with helix angles between 21° and 34° - Shank Type: Straight - Drill Length: Screw-machine length class - Cutting Direction: Right hand - Depth to Diameter Ratio: 4 times diameter (4xD) - Finish: Straw colored machining finish - Case: Metal drill index included for organization and storage - Standards: Not rated