Chicago-Latrobe 69871

The CHICAGO-LATROBE 69871 is a jobber-length drill bit set consisting of 15 cobalt drill bits sized from 1/16 inch to 1/2 inch in fractional increments. These drill bits are made from cobalt and are suitable for use when machining aluminum, cast iron, hardened steel, stainless steel, steel, and titanium (user to select appropriate speeds and feeds). The set includes a metal index case for organized storage and features a P3 split point with a 135-degree angle for starting accuracy. The drill bits have a 2-flute spiral design with right-hand cutting direction and a titanium nitride (TiN) coating for wear resistance. Key Features: - Number of drill bits: 15 with sizes from 1/16" to 1/2". - Material: Cobalt (intended for machining applications using the specified bit geometry and TiN coating). - Drill bit length: jobber length, ranging from 1 7/8" to 6". - Point type: P3 split point with a 135° angle. - Flutes: 2 spiral flutes with a helix angle between 21° and 34°. - Shank: Straight, 1/6" diameter. - Interval measurement system: fractional inch sizes. - Complies with NAS 907 Type J standard. - Spiral direction: right-hand cutting. - Included storage: metal index case for organization and protection.