Chicago-latrobe 45015 Cobalt Jobber Drill Bit Wire 45

Product Description

The CHICAGO-LATROBE 45015 is a cobalt jobber-length drill bit from the Series 550TA, designed for high-performance drilling in hard and abrasive materials. Built to M42 cobalt material grade and coated with TiAlN for extended tool life under heat and friction, this bit carries a 135-degree split point that reduces walking and minimizes entry force. At 2.125 inches overall length with a 1.125-inch flute and a 0.0820-inch diameter, it is engineered for precision work in tight tolerances. A licensed machinist, tool-and-die tech, or maintenance professional would reach for this bit when standard high-speed steel tooling falls short on difficult stock.

This bit is sized to wire gauge 45 (0.0820 inches decimal) and is a primary choice when drilling titanium, stainless steel, high-nickel alloys, and similarly work-hardening or heat-generating materials. The TiAlN coating sustains cutting performance at elevated temperatures, making this bit suitable for production environments as well as job-site applications where coolant-through tooling is not available. The straight-cylindrical shank fits standard drill chucks and collet systems commonly found in drill presses, CNC machining centers, and handheld power tools.

Key Features

• M42 cobalt steel construction for durability in hard and abrasive materials
• TiAlN coating reduces heat buildup and extends service life without coolant-through requirement
• 135-degree split point minimizes bit walking and reduces required feed force at entry
• Web-thinned, tapered web configuration improves chip evacuation in deep or tight holes
• Right-hand spiral flute with regular helix moves chips efficiently out of the cut zone
• Meets DIN 338 and NAS 907 Type J standards for consistent dimensional accuracy

Compatibility

Designed as a jobber-length replacement or production-stock drill bit for applications requiring wire size 45 (0.0820-inch) diameter holes, particularly in titanium and other high-strength alloys per NAS 907 specification requirements. Fits any standard drill chuck or collet accepting a 0.0820-inch straight-cylindrical shank.

Installation Notes

This bit is installed by machinists, tool-and-die professionals, or maintenance technicians in drill press, milling machine, or handheld power tool setups. Secure the straight-cylindrical shank firmly in the chuck or collet before operation and verify runout is within acceptable limits for precision work. No coolant-through capability is present, so apply cutting fluid manually when drilling heat-sensitive or work-hardening alloys to protect both the bit and the workpiece. Inspect the cutting edges before each use and remove from service at the first sign of edge breakdown to avoid oversized holes or workpiece damage.