DT-DIATOOL Diamond Core Drill Bit 1" - Welded Hole Saw 25mm with 5/8-11 Arbor for Granite Marble Hard Stone

The 5/8 welded drill bits are specifically designed for drilling holes in various materials such as stone, concrete, and marble.

The product is ideal for DIY projects and comes with a recommended RPM of 6000 and maximum RPM of 11000.

It is important to use the product at the highest speed with a hand drill, and not to use the hammer or impact mode.

The product is suitable for drilling faucet mounting holes in stone countertops, plumbing lines in showers and vanities, and granite marble all nature stone concrete.

It is important to add enough water when drilling to ensure a smooth operation.

The product has a good effect on both dry and wet use, and if you find it hard to drill, please take a break and check the segments.