Diamond Core Bit 5pcs 6-16mm Drilling Granite Marble Tile Bit M14 Thread

Item: Vacuum brazed diamond drilling bits for porcelain  Quantity:5pcs(Buy 5pcs, get 1pc free, actually get 6pcs Diamond Core Bits) Specification:  Diameter 6/8/10/12/14/16mm, Total height 60MM, Diamond height 10MM  Connection: M14 Thread Color: Golden Application :   Dry or wet drilling for porcelain tile, granite, marble, stone, Masonry, brick... Feature:  1.Fit with angle grinder,drill a wide range of materials quickly and accurately. 2.High-quality diamond grains,fast and smooth drilling,provides a better finish; 3.Vacuum brazed technology, less debris,high efficiency and durability.