Cleveland C16616 Cobalt Jobber Drill Bit Wire 5

Product Description

The CLEVELAND C16616 is a jobber-length twist drill bit designed for heavy-duty metal drilling applications. Built from M42 cobalt high-speed steel and finished with a titanium nitride (TiN) coating, it delivers extended tool life in hard and abrasive materials. The bit cuts a 0.2055-inch diameter (wire size 5) with a 135-degree split point that self-centers on contact, reducing the need for a center punch. The parabolic flute geometry promotes fast chip evacuation, which is critical when drilling deep holes in steel, stainless, or cast iron. Overall length is 3.75 inches with a 2.5-inch flute length. Licensed machinists, maintenance mechanics, and metal fabricators are the primary users.

This bit is suited for production and maintenance drilling in ferrous and non-ferrous metals, including hardened alloys where standard HSS bits lose edge quickly. The straight cylindrical shank fits standard three-jaw drill chucks on bench drills, drill presses, and hand drills. No coolant-through capability is present, so flood or mist coolant must be applied externally when cutting heat-sensitive materials or running at high cycle rates. The web-thinned, tapered web construction reduces thrust force at the drill point.

Key Features

• M42 cobalt steel construction for high heat and wear resistance in hard metals
• Titanium nitride (TiN) coating extends cutting edge life and reduces friction
• 135-degree split point with web thinning for self-centering entry and reduced thrust
• Parabolic flute profile accelerates chip removal in deep-hole drilling
• Right-hand cut with straight cylindrical shank for standard drill chuck compatibility
• Meets ASME B94.11M and DIN 338 standards

Compatibility

Designed as an OEM-style replacement or direct-fit tooling option for any standard drill chuck accepting a 0.2055-inch straight cylindrical shank; fits bench drills, drill presses, and portable hand drills used in metal fabrication and maintenance applications.

Installation Notes

Install in a properly rated drill chuck and tighten with a chuck key before operation. Ensure the workpiece is securely clamped before drilling to prevent bit walking or workpiece rotation. Apply cutting fluid or mist coolant externally when drilling hardened alloys or running extended cycles to manage heat buildup. Follow applicable shop safety standards and wear appropriate PPE including eye protection.