Chicago-Latrobe 69891

The CHICAGO-LATROBE 69891 is a 13-piece jobber-length drill bit set intended for drilling applications using compatible drill bit sizes and geometries. It includes fractional inch drill bits ranging in size from 1/16 inch up to 1/4 inch, accommodating various drilling requirements. Bits are constructed from cobalt material and feature a 135° P3 split point geometry. The set is made to NAS 907 Type J standards, meets NAS 907 Type J aerospace standard requirements. These drill bits have a straight shank and spiral flute design with a 4xD depth-to-diameter ratio.Key Features: – Contains 13 drill bits with sizes from 1/16″ to 1/4″ measured in fractional inches. – Made of cobalt for drilling applications within the specified intended materials. – Features a 135° P3 split point geometry. – Jobber-length drill bits with a 4x diameter to depth drilling ratio for general-purpose use. – Spiral flute geometry supports chip removal during drilling. – Straight shank with 1/16″ shank diameter for compatibility with standard chucks. – Non-coolant fed; configured for right-hand cutting direction. – Includes metal drill index case for organization and storage. – Meets NAS 907 Type J standard requirements.