Chicago-Latrobe 69864

The CHICAGO-LATROBE 69864 is a taper-length drill bit set consisting of 29 pieces made from high speed steel with a general purpose grade. The set includes fractional inch sizes ranging from 1/16 inch to 1/2 inch in 64ths, rated for a drilling depth up to the set’s specified taper-length depth for each bit size. These drill bits are intended for use on materials classified as ISO K and P (e.g., cast iron and steel), as specified for this set. The bits have a right-hand cutting direction and are finished with black oxide coating. They have a right-hand cutting direction and are finished with black oxide coating, with a chip-flow feature achieved via two flutes with a 28° helix angle. Key Features: - Number of drill bits: 29 pieces in sizes from 1/16" up to 1/2". - Drill bit type: Taper-length. - Point type: 118° conventional, general purpose. - Flute count and type: 2 spiral flutes with 28° helix angle. - Suitable for materials classified under ISO codes K and P (cast iron, steel), as specified for this set. - Cutting direction: Right hand. - Finish: Black oxide coating.