29/64 X 5-5/8-inch Cobalt High-speed Drill Bit - Master Mechanic Model 288225

The Master Mechanic 29/64" x 5-5/8" Cobalt High-Speed Drill Bit is engineered for precision and durability, making it an essential tool for both professional and DIY enthusiasts. This drill bit features a robust high-speed steel construction with an 8% cobalt content, ensuring exceptional heat resistance and cutting efficiency even at temperatures exceeding 1000° F. The innovative 135 split point design and four cutting edges facilitate quick penetration and significantly reduce the risk of walking, allowing for accurate drilling in a variety of hard metals.

• High Speed Steel with Cobalt: Provides enhanced durability and heat resistance.


• 135 Split Point Design: Allows for quick penetration and minimizes walking.


• Four Cutting Edges: Ensures efficient cutting and reduces friction.


• Recommended for Hard Metals: Ideal for drilling in heat-treated steel, stainless steel, chrome, manganese steel, titanium, and armor plate.

This drill bit is perfect for a wide range of applications, from metalworking to construction projects. Whether you are a professional tradesperson or a weekend warrior, the Master Mechanic Cobalt High-Speed Drill Bit will deliver the performance and reliability you need to get the job done right.

WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.