Chicago-Latrobe 41799

The CHICAGO-LATROBE 41799 Jobber Length Drill Bit Set consists of 21 high speed steel bits intended for drilling cast iron, stainless steel, and steel within the applicable material and operating ranges. Each bit features a P3 split point with a 135-degree angle to help guide starting holes. The set includes fractional inch sizes from 1/16" to 3/8" and includes a metal index case for organized storage. These bits feature a straight shank and right-hand spiral and are manufactured in fractional inch sizes. The set complies with NAS 907 Type B standards and does not include coolant-fed bits. Key Features: - 21-piece set with drill sizes ranging from 1/16" to 3/8" in 64ths increments. - High speed steel construction with a titanium nitride (TiN) finish. - Jobber-length bits with overall lengths of 1-7/8" to 4". - P3 split point design with a 135° point angle. - Spiral flute design with a helix angle between 21° and 34°. - Straight shank, 1/16" diameter, fits standard drill chucks for 1/16" diameter straight shank bits. - Meets NAS 907 Type B aircraft drill standards - Supplied with a metal drill index.