8 Best Core Drill Bits | March 2017
We spent 25 hours on research, videography, and editing, to review the top choices for this wiki. Designed for boring into tough materials like concrete and stone, coring drill bits are capable of going where your standard set just can't. Offering both wet and dry functionality and several different width and depth options, the models on this list are suitable for a variety of applications, and are sure to satisfy professional contractors and DIY-ers alike. Skip to the best core drill bit on Amazon.
With high-grade tungsten carbide teeth and an integrated pilot bit for easy-entrance drilling, the Bosch Speedcore T3914SC is a capable option for masonry professionals on the go. It will easily cut through thick concrete walls, though it does require a hammer drill.
- ejector hole for easy removal
- works with other brand's extensions
- not as deep as other models
The EDiamondTools Dry Threaded is a strong diamond-tipped piece for grinding through soft stone materials, such as cinder block and brick. It's also fairly long, allowing you to penetrate a whole 9.5 inches deep, but it isn't recommended for use on solid concrete.
- wide 4-inch diameter
- tough blue finish
- durable construction
The Toolocity Monster SCB0138D fits on most polishers and grinders, can be used wet or dry, and is durable enough to last you through several jobs before wearing out. Plus, it's exact enough to cut through porcelain tile without breaking or chipping it.
- very fast cutting action
- great value for the price
- works best at 3000 to 6000 rpm
The Damo Dry/Wet is a heavy-duty item that features a vacuum-brazed end, making it hold up particularly well against hard granite and engineered stone. Capable of being used with or without water, it's perfect for a wide range of applications.
- fits on high-speed angle grinders
- 11000 rpm max speed
- good for making holes in countertops
Come prepared to any job with the Concord Blades CBD04000HP, which is a general purpose option that can be used on everything from soft stone to concrete. The specially-designed barrel vents help increase air flow and dissipate heat, keeping it cool in any environment.
- 10mm segment height
- good for dry or wet use
- comes in a large range of sizes