26PC 135 Degree Heavy-Duty Jobber Length Drill Set Chicago-Latrobe 150ASP Steam Oxide HSS A - Z

The CHICAGO-LATROBE 45638 Jobber Length Drill Bit Set includes 26 high speed steel drill bits sized from A to Z. Designed for use on cast iron and steel, this set features split point drill bits with a 135-degree point angle and right-hand spiral direction. The jobber-length bits have an overall length ranging from 3 7/8 inches to 5 1/4 inches and come in a metal drill index for organized storage. The set complies with NAS 907 Type B standards and has a high speed steel (HSS) construction suitable for machining applications requiring durability and precision.

Key Features:

• - Drill bit sizes: A through Z covering a complete letter-size range.
• - Drill bit material: High speed steel with black oxide finish for black oxide finish.
• - Drill bit style: Jobber length with straight shanks, lengths vary between 3 7/8" and 5 1/4".
• - Point type: Split point with 135-degree point angle.
• - Flutes: helix angle: 21°–34°; 2 spiral flutes with right-hand cutting direction.
• - Primary material application codes: K and P (for cast iron and steel per code designation).
• - Includes a metal drill index for organized storage and includes bit size markings for reference.
• - Shank diameter: 117/500 inch, straight shank type.

• Ship Pack Height: 7.4
• Ship Pack Length: 4.3
• Ship Pack Width: 1.9