Mm 7/16x5-1/2 Cob Bit

The Master Mechanic 7/16 x 5-1/2-Inch Cobalt High-Speed Steel Drill Bit is engineered for precision and durability, making it an essential tool for both professionals and DIY enthusiasts. This drill bit features a 135-degree split point design that allows for quick penetration and minimizes walking, ensuring accurate drilling every time. With an impressive 8% cobalt content, this drill bit provides exceptional heat resistance and maintains maximum cutting efficiency even at temperatures exceeding 1000 degrees Fahrenheit.

Designed specifically for drilling through hard metals, this drill bit excels in applications involving heat-treated steel, stainless steel, chrome, manganese steel, titanium, and armor plate. Whether you are working on a construction project, automotive repairs, or metal fabrication, this drill bit is your go-to solution for tough drilling tasks.

• High Speed Steel with Cobalt: Offers superior strength and durability.


• 135 Split Point Design: Ensures quick penetration and reduces walking.


• 4 Cutting Edges: Provides efficient cutting and enhances performance.


• Recommended for Hard Metals: Ideal for use on heat-treated steel, stainless steel, and more.

Use this drill bit for a variety of applications, including metalworking, construction, and repair tasks. Its robust design and high-performance features make it suitable for both professional tradespeople and home improvement projects.