Diamond core drill bit Listing is for 3 drill bits
SHIPS FREE WITH ANOTHER ITEM
DIY cake stand supply
6 mm size diamond tip drill bit
Works for glass, china, porcelain, pottery and more
Make yourself a tiered cake stand today Drill bit durability depends on the type of glass you are drilling.
Glazed pottery type china - up to 12 plates
Bone china - up to 8 plates
hard thick glass up to 6 plates
These are just my own estimations from experience.