Cle-Line C21947

The CLE-LINE C21947 is a screw machine drill bit set composed of 60 high-speed steel bits intended for drilling applications in alloy, carbon and tool steels, and cast iron. The bits feature a split point tip with a 135-degree point angle and a black oxide finish to reduce wear. Each drill bit has a screw-machine length with two flutes and a straight shank, intended for right-hand cutting applications. The set includes wire gauge sizes 60 to 1 (60 pieces) and includes a metal drill index case for secure bit storage and organization. Key Features: – Drill bit sizes included: 60 to 1 (60 pieces) – Material: Heavy duty high-speed steel – Point type: Split point with a 135° point angle – Flutes: 2 spiral flutes with helix angles between 21° and 34° – Shank type: Straight – Finish: Black oxide – Drill length class: Screw-machine length – Measurement system: Wire gauge – Cutting direction: Right hand – Depth to diameter ratio: 4x diameter – Includes metal drill index case for organization