Diamond Core Drill Bits Set For Porcelain Tile And Stone EXFEIN With 1/4 Inch 5/16 Inch 3/8 Inch Diameters, 60 Millimeter Length, 10 Millimeter Diamond Height, 35 Millimeter Working Depth, 5/8 11 Thread, 6000 To 11000 RPM, Dry Or Wet Drilling

3-Piece Diamond Core Drill Bit Set for Tile & Stone
✔️ Diameters: 1/4", 5/16", 3/8"; length 60mm (2.36") total

These core drill bits are designed to bore clean, precise holes in porcelain tile, ceramic, marble, and granite. They support both dry and wet drilling, and use a 5/8"-11 arbor on compatible angle grinders.

✅ 3-piece set: diameters 1/4", 5/16", 3/8" (6.35/7.94/9.525 mm); total length 60 mm (2.36")
✅ Diamond height 10 mm; working depth 35 mm (1-3/8")
✅ Vacuum brazed diamonds on steel matrix for long life
✅ 5/8"-11 thread arbor; compatible with most angle grinders; dry or wet drilling

💡 What is a core drill bit used for on porcelain tile and stone surfaces?

A handy explanation: It creates clean, precise holes for anchors, pipes, or fasteners in hard materials.

- precise holes for tile, marble, granite - works with dry or wet drilling to reduce debris - vacuum brazed diamond edges stay sharp longer - compatible with 5/8-11 arbor grinders and adapters