VEVOR - Core Drill Bit, 3-1/2 inch Diameter, 14 inch Drilling Depth, 1-1/4 in-7 Internal Thread, High-Precision Welding - Black

This professional core drill bit features high-frequency high-precision welding for fast, clean drilling. With a 1-1/4 in-7 universal thread, it is ideal for reinforced concrete, red brick, concrete, and foam block applications.

• High Compatibility: The 3-1/2 in wet core drill bit utilizes a 1-1/4 in-7 universal thread, allowing quick and easy attachment to standard handheld drills or stand drills, providing versatility and convenience
• Wet Driller: This diamond wet coring bit is suitable for wet-cutting conditions. It reduces heat buildup that can affect performance for an extended lifespan. It also lowers friction resistance and boosts drilling speed for efficient operation
• Durable & Sturdy: Crafted from quality carbon steel with high-precision welding, this concrete core drill bit boasts 95HRB hardness. It resists heat buildup during high-speed drilling, avoiding blade detachment and enhancing longevity
• High-Performance Drilling: Our core bits for concrete features precision-ground teeth for smooth, burr-free edges and faster, accurate cuts. The tooth center aligns with the installation axis, resisting wobbling or shifting during high-speed rotation
• Wide Application: Ideal for drilling through reinforced concrete, red brick, concrete, and foam brick. This core bit is commonly used in air conditioning installations, plumbing, stair railings, highways, airports, and various constructions