Chicago-Latrobe 46650

The CHICAGO-LATROBE 46650 is a cobalt jobber-length drill bit set suitable for machining: aluminum, cast iron, hardened steel, stainless steel, steel, and titanium (as applicable to the specified drilling conditions). The set contains 115 straight-shank drill bits in sizes ranging from #60 (1/16") to #1 (1/2"), with fractional inch, letter, and wire dimensions included. The drill bits feature a split point tip with a 135-degree point angle and a right-hand cutting direction, intended for use in industrial and aerospace applications in accordance with NAS 907 Type J requirements. Key Features: - Material: Constructed from cobalt for machining performance. - Size Range: 115 pieces including fractional inch, letter, and wire sizes from 1/16" to 1/2" (A to Z and #60 to #1). - Drill Type: Jobber-length drill bits with overall lengths ranging from 1-5/8" to 6". - Point: Split point design with 135° point angle intended to facilitate reduced bit walking and improved alignment under standard drilling conditions. - Flutes: Two-flute spiral with helix angles between 21° and 34° for chip removal. - Shank: Straight shank type compatible with standard chucks. - Cutting Direction: Right-hand spiral suitable for conventional drilling tasks. - Includes a metal drill index case for organized storage and size identification. - Conforms to NAS 907 Type J standard.