8PC 1/2 Reduced Shank Silver & Deming Drill Set Chicago-Latrobe 190C Straw HSS-CO 8% 9/16-1IN MPN:69868

The CHICAGO-LATROBE 69868 is a reduced shank drill bit set consisting of eight cobalt drill bits sized from 9/16" to 1" in fractional inch increments. This set features right-hand cutting silver & Deming style bits with split point tips. The bits have a 1/2" straight round shank for compatibility with standard drill chucks and an overall length of 6 inches. Intended for drilling alloy and carbon steel, cast iron, and other metals (as applicable to the material being drilled and the drill setup). These bits are included in a metal index case for storage.

Key Features:

• - Contains 8 pieces with bit sizes: 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", and 1".
• - Made of cobalt for machining applications.
• - 2-flute spiral design with a flute length of 3-1/8" and helix angles between 30° and 34°.
• - Split point tip with a 118° point angle.
• - Silver & Deming drill style with a depth-to-diameter ratio of 4xD.
• - Straight, round reduced shank with 1/2" diameter.
• - Metal index case included for bit storage.

Additional Information