Dry Diamond Core Bits with Side Strips for Stone Drilling (10 Sizes) Size:1-1/2 in.x4 in. x 5/8 in.-11 Suitable for both dry and

Suitable for both dry and wet use

Grade A diamond powder blend optimized for granite

Features side diamond strips for more aggressive drilling

10 - 30 square meters / meter

These are for Walk-Behind Floor Grinder only

Dry Diamond Core Bits with Side Strips for Stone Drilling (10 Sizes) Size:1-1/2 in.x4 in. x 5/8 in.-11 Suitable for both dry andBuy on Amazon Archer PRO Dry Diamond Core Bits with Side Strips for Stone Drilling Premium quality dry diamond core bits with side strips for stone drilling by Archer PRO. American designed for high performance and long life at an affordable price. These core bits have been optimized for working with a wide range of stone, including granite and marble. Ideal for both professional fabricators and DIY users. Grade A diamond crystals for highest