Cleveland C14224 7/16 in Cobalt Screw Machine Drill Bit

Product Description

The CLEVELAND C14224 is a screw machine length drill bit designed for high-productivity drilling in demanding industrial and trade applications. Built from M42 cobalt high-speed steel, this bit handles tough materials including alloy steels and aluminum without sacrificing edge life. The 135-degree split point geometry reduces walking on entry and lowers thrust requirements, making it well suited for production drilling in metal fabrication, mechanical contracting, and maintenance work. At 3-7/16 inches overall length with a 7/16-inch straight-cylindrical shank, the C14224 fits standard drill chucks and CNC setups alike.

This bit is used in screw machine, drill press, and hand-held drilling operations where a stubby, rigid profile reduces deflection and improves hole accuracy. The parabolic flute design clears chips efficiently, which matters when drilling deep holes in alloy steel or aluminum. Machinists, millwrights, pipefitters, and maintenance mechanics commonly reach for screw machine length bits when clearance is tight or rigidity is a priority over reach. The C14224 conforms to ASME B94.11M and is rated as a heavy-duty grade bit.

Key Features

• M42 cobalt steel construction for extended tool life in hard and abrasive materials
• 135-degree split point reduces thrust and prevents walking on entry
• Parabolic flute profile promotes fast, efficient chip evacuation
• Web-thinned, parallel web configuration for lower cutting resistance
• Screw machine length (stub) body provides maximum rigidity and reduced deflection
• Diameter tolerance of +0.0000 to -0.0010 inches for consistent hole sizing
• Conforms to ASME B94.11M standard

Compatibility

Designed as a heavy-duty OEM-style replacement or production bit for use in standard drill chucks and CNC machining centers accepting a 7/16-inch straight-cylindrical shank. Primary workpiece materials include alloy steel and aluminum.

Installation Notes

Installation and use of this drill bit should be performed by qualified machinists, mechanics, or trade professionals familiar with metal drilling operations. Secure the shank fully in the chuck before operation and verify chuck runout is within acceptable limits to protect the diameter tolerance. Always wear appropriate eye protection and follow applicable shop safety procedures when operating drill presses or CNC equipment. Do not exceed the recommended speed and feed rates for the workpiece material.