Milwaukee 5/16 in. Cobalt Red Helix Jobber Drill Bit

The Milwaukee Cobalt Red Helix drill bits are engineered for extreme durability and long life in hard metal applications. Designed with a variable helix that includes an aggressive 35-degree helix angle that ends at 15 degrees, these cobalt bits provide rapid chip removal, limiting heat buildup to stay sharper longer. Featuring a 135-degree split point tip, this drill bit delivers a precision start and prevents walking for fast, accurate holes. Ideal for tough drilling applications, it delivers up to 10X longer life compared to standard black oxide drill bits and can be used in all general twist drilling applications.