Bosch 3/4" Glass & Tile Bit is a professional-grade drill bit. The precision tip solves bit wander and bit walking, ensuring accurate and clean holes. The high-quality carbide tip with a reinforced head prevents bit cracking and provides a longer life, making it ideal for heavy-duty drilling tasks. The 3 flat shank prevents slippage, allowing for secure and stable drilling. The innovative geometry of the bit allows it to drill faster, saving time and effort. This 3/4-in x 4-in black oxide coated HSS masonry drill bit is suitable for use with rotary drills.