CHICAGO-LATROBE 69891 13PC 135 Degree Heavy-Duty Cobalt Jobber Length Drill Set

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.

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