Features & Details Premium M2AL High-Speed Steel & High Compatibility: With excellent wear resistance and high-temperature resistance, this annular cutter set has a longer lifespan, enduring the test of time and providing lasting support for your work. Our accessories are compatible with almost all major brands of machinery. Quick Detach in 1 Second: This slugger cutter is especially suitable for scenarios where you can't spare an extra hand for operation in high-altitude work. No more hassle with the tedious process of changing bits. You can quickly replace the drill bit with just one hand. No need to pause or waste time, keeping your work smooth and uninterrupted. Innovative Geometric Blade: Our mag drill bits feature unique pointed and flat blades to ensure each blade carries a moderate load, speeding up the cutting process. Say goodbye to chip jams and hello to smoother, faster cutting across various materials. Large Capacity Circular Groove: Powerful chip ejection capability ensures smooth chip discharge, preventing jams and increasing efficiency. Our annular bits provide fast drilling speed for smoother operations. All-Inclusive Package: This HSS standard kit includes six Weldon shank cutters (1", 1-1/8", 1-1/4", 1-1/2", 1-3/4", 2") and two 6.34mmx103mm pilot pins. The pilot pins secure workpieces and provide multiple functions like positioning, coolant control, and chip removal, ensuring seamless drilling.