Milwaukee 48-89-9284 Cobalt Step Drill Bit #4 (3/16-7/8′)

The Cobalt Step Drill Bit #4 is engineered for efficiency and precision in metalworking projects. With its innovative Rapid Strike Tip™, you can expect fast and accurate starts, making the drilling process significantly quicker—up to 2X faster. This bit is designed with smaller steps to ensure a smoother drilling experience, and its elongated dual-flute design enhances heat management for prolonged use.