Milwaukee THUNDERBOLT™ 23/64" Black Oxide Drill Bit features a thick core web that provides protection against side-load breakage, ensuring durability and long-lasting performance. Its corrosion-resistant black oxide coating adds extra lubricity and toughness, making it i for heavy-duty use. The parabolic flute design efficiently clears chips and debris, helping to keep the bit cool during operation. Equipped with a 135° split point tip, this drill bit prevents walking and delivers precise holes with easy starts. It requires less effort when drilling through metal, wood, and PVC, and it performs effectively on curved surfaces. This bit is for use with portable drills, making it a versatile and reliable choice for various drilling tasks. Model Number: 48-89-2729