29PC 118 Degree General Purpose Taper Length Drill Set Chicago-Latrobe 120 Steam Oxide HSS 1/16-1/2x1/64

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.