Combination Drill & Taps
Multifunctional Glass Bit Twist Spade Drill Triangle Bits For Ceramic Tile Concrete Glass Marble 3mm To 12mm
Carbide Tip: YG6X (middle quality, black), Imported ART carbide tip
Diameter: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm
This bit for the Hard Brittle Ceramic Materials such as ceramics,tiles,Marble,Concrete, glass and so on
Middle quality (black), can drill on all-ceramic with 8-10 holes
,can drill on all-ceramic with 12-15 holes

Package included:
3mm x 4pcs or
4mm x 4pcsor
5mm x 4pcsor
6mm x 2pcsor
8mm x 2pcsor
10mm x 2pcsor
12mm x 2pcs
Note: