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Milwaukee 3/16″-7/8″ #4 Cobalt Step Drill Bit is designed to deliver precision and durability for drilling tasks up to 14 gauge. This drill bit features an elongated dual-flute design that effectively manages heat, ensuring longer life and better performance. Its Rapid Strike tip enables fast starts, especially useful for stainless steel applications, while the smaller steps provide smooth and controlled drilling. The 3-Flat Secure Grip shanks help reduce bit slippage in the chuck, enhancing stability during use. Additionally, laser-engraved reference marks make it easy to track drilling depth for accuracy and efficiency.Model Number: 48-89-9284