Chicago-Latrobe 69855

The CHICAGO-LATROBE 69855 Screw Machine Drill Bit Set includes 26 cobalt steel drill bits sized from A to Z. These drill bits feature a split point design with a 135-degree point angle to assist with starting stability. The set comes housed in a metal index case and is compatible with straight-shank drill chucks and is intended for right-hand cutting rotation. Each bit has screw-machine length and spiral flutes. Key Features: - Contains 26 drill bits, sizes A through Z, providing a full range of letter-sized options. - Made from cobalt steel. - Split point design with a 135-degree angle for controlled starting and split point design with a 135-degree point angle intended to assist with starting stability. - Two-flute spiral configuration with helix angles between 21 and 34 degrees for two-flute spiral configuration. - Straight shank type, compatible with straight-shank drill chucks sized to accept the bit straight shank. - Non-coolant through design, requiring external coolant application if needed. - Drill bit length conforms to screw-machine length standard. - Supplied in a metal drill index case for organized storage and accessibility.