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The CLEVELAND C23846 is a mechanics-length drill bit designed for general-purpose drilling in metal and cast iron. It features a 135-degree split point that self-centers on contact, reducing the need for a center punch and minimizing walking on hard surfaces. The bit is machined from high-speed steel (HSS) for heat resistance and edge retention during sustained drilling. With a 5/16-inch diameter, flatted shank, and right-hand spiral flute, it fits standard drill chucks and provides consistent chip evacuation. At 4 inches overall length with a 2.5-inch flute, it is sized for close-quarter and bench-top applications common in mechanical and trade service work.
This bit is suited for residential and commercial maintenance work, fabrication shops, and field service scenarios where drilling into steel or cast iron is required. The mechanics-length body keeps the bit rigid and controllable in handheld drills and drill presses. It is a practical choice for HVAC technicians, pipefitters, electricians, and general maintenance trades who regularly drill through ferrous metal components, brackets, and structural members.
Designed for general-purpose drilling in steel and cast iron workpieces. Compatible with standard 3-jaw drill chucks accepting a 5/16-inch flatted shank. Suitable for use in handheld drills and bench-top drill presses.
Install and remove this bit only when the drill is powered off and the chuck is fully stationary. Secure the flatted shank firmly in the chuck to prevent slipping under load. Use cutting fluid or lubricant when drilling through hard ferrous materials to extend bit life and reduce heat buildup. Follow applicable shop safety practices and ensure workpieces are clamped before drilling.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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