Chicago-Latrobe 69887

The CHICAGO-LATROBE 69887 is a jobber-length drill bit set consisting of 21 cobalt drill bits rated for machining aluminum, cast iron, hardened steel, stainless steel, steel, and titanium. The set covers fractional inch sizes and includes a metal index for organized storage. The drill bits feature a right-hand spiral direction and a split point tip, intended for drilling applications using cobalt drill bits. It complies with NAS 907 Type J standard. Key Features: - Number of pieces: 21 drill bits - Material: Cobalt material construction - Drill bit length class: Jobber length with overall lengths of 1 7/8" to 4" - Point type: 135-degree split point for precise drilling - Shank type and diameter: Straight shank with 1/16" diameter - Flute design: 2-flute spiral with 21° to 34° helix angle, right-hand cutting direction - Measurement system: Fractional inch sizes included - Drill bit finish: Straw/bronze - Includes metal drill index case for bit organization - Complies with NAS 907 Type J standard