1 Inch Diamond Drill Bit for Glass, Porcelain, Tile, Ceramic, Marble – Glass Hole Saw with 5/8-11 Thread

About this item Size –1pc 1″(25mm), diamond height 15mm, #70/80 ,total length 60mm, 5/8-11 thread of the glass drill bit Wide Applications –Diamond core bits are worked great for dry drilling holes through glass,porcelain tile, ceramics,bathroom tile, marble with ease. Using water could prolong the lifetime Machine –angle grinder (direct connection) or electric drill (with adapter )