26PC 118 Degree General Purpose Jobber Lengh Drill Set Chicago-Latrobe 150D Bright HSS A - Z

The CHICAGO-LATROBE 49918 is a jobber-length drill bit set featuring 26 high-speed steel bits sized from A to Z. Designed with straight shanks and right-hand spiral flutes, these drill bits are intended for drilling through materials that correspond to ISO codes K, N, and P (cast iron, non-ferrous metals such as aluminum, and steel). The set includes bits with conventional 118-degree points and meets the applicable requirements of ASME B94.11M-1993 for the specified drill bit characteristics. This collection is organized in a metal index case for convenient storage and selection.

Key Features:

• - Drill bit size range: Letter sizes A through Z.
• - Number of pieces: 26 drill bits, each with two spiral flutes.
• - Lengths vary from 3 7/8 in to 5 1/4 in across set.
• - Material: High-speed steel (HSS) for general-purpose drilling applications.
• - Point type: Conventional, 118-degree angle.
• - Shank type: Straight with a diameter of 117/500 in.
• - Spiral direction: Right hand, with helix angles between 21° and 34°.
• - Jobber-length; length corresponds to a depth-to-diameter ratio of approximately 4:1
• - Includes metal drill index case for bit organization.
• - Primary applications per ISO codes: K (cast iron), N (non-ferrous metals like aluminum), and P (steel).
• - Not designed or rated for aircraft/aerospace use.

• Ship Pack Height: 7.2
• Ship Pack Length: 4.2
• Ship Pack Width: 2