BTBLBITS Diamond Hole Saw Drill Bits Set Granite Hole Saw Kit Porcelain Tile Drill Bit Set for Ceramic Granite Porcelain Tile Stone
Package Content:
7pcs in total; 5pcs Diamond drill bits 1", 1-3/8", 2", 2-1/2", 4" (25/35/50/65/100mm), 1pc 1" (25mm) Diamond Milling Bit, 1pc 5/8"-11 to SDS Shank Adapter
Recommended Materials:
Diamond core drill bits for dry or wet drilling Porcelain tile, Ceramic, Granite, Marble, Stone, Masonry, Brick and all similar material
Recommended Machine:
The diamond drill bits are usually suitable for Angle Grinder. Recommended speed 6000RPM, maximum speed 11000RPM. If you want to use electric drill or other machine, you can use adapter in the package. Use electric drill: Recommended speed: 2000-5000RPM; Faster the RPM, Longer the drill bit's Working Life