Cleveland C16651 Jobber Drill Bit Wire 39 Cobalt Tin

Product Description

The CLEVELAND C16651 is a jobber-length drill bit designed for high-performance drilling in tough materials. Built from M42 cobalt high-speed steel and finished with a titanium nitride (TiN) coating, it handles hardened steels, stainless, and abrasive alloys that standard HSS bits struggle with. The 135-degree split point starts on contact without a center punch, reducing walking and improving hole accuracy. A parabolic flute geometry clears chips aggressively, making it well suited for deep-hole work and interrupted cuts. This is a right-hand cut, straight-cylindrical shank bit sized at wire gauge 39 (0.0995 inches decimal). Licensed HVAC, plumbing, and electrical tradespeople reach for this bit when drilling sheet metal panels, equipment enclosures, and structural members during equipment installation or rough-in work.

The C16651 is sized at wire gauge 39, with a decimal diameter of 0.0995 inches, making it a practical choice for pilot holes, tap-drill applications, and precise small-diameter work across mechanical, electrical, and HVAC installations. The 2-3/8-inch overall length fits standard drill chucks and right-angle drill attachments commonly used in tight mechanical spaces. Cobalt construction with TiN coating extends tool life in production drilling environments where bits are cycled repeatedly through similar materials.

Key Features

• M42 cobalt steel construction for heat resistance and extended tool life in hard materials
• Titanium nitride (TiN) coating reduces friction and improves wear resistance
• 135-degree split point eliminates walking and reduces thrust required to start the hole
• Parabolic flute profile for efficient chip evacuation in deep holes
• Web-thinned, tapered web configuration reduces cutting resistance
• Straight-cylindrical shank fits standard 3-jaw drill chucks without adapters
• Manufactured to ASME B94.11M and DIN 338 standards

Compatibility

Designed as an OEM-style replacement or direct-fit jobber-length drill bit for use in any standard drill chuck accepting a 0.0995-inch straight-cylindrical shank. Belongs to Cleveland Series 2075T, wire gauge size range 0.0500 to 0.1000 inches.

Installation Notes

Install in a keyed or keyless drill chuck rated for the shank diameter before applying power. Always wear eye protection and secure the workpiece before drilling. When drilling metal, use a cutting fluid or lubricant to extend bit life and reduce heat buildup, especially in stainless or hardened alloys. Inspect the cutting edge before each use and replace if chipping or excessive wear is visible.