hgudesign 3Pcs 2" Diamond Beveling Chamfer Bits with 5/8-11 Thread Adapter 4/5" Diamond Finger Milling Bits Straight Cutter for Existing Holes Enlarging Shaping Trimming in Tile Glass Ceramic

[Diamond Beveling Chamfer Bit Size] --1 piece 2 Inch (50mm) tile cone, Top Angle 60 degree.46mm workable Depth, 5/8-11 Thread, Grit #80, total Length 55mm [Diamond Finger Bit Size] --1 piece 4/5"(20mm) diamond milling bit, 50MM(2") workable length, 5/8-11 Thread Connection, Grit #45/50, total Length 65MM(2.6") [Wide Applications] --Specifically designed for trimming, enlarging, shaping, and beveling existing holes in tile, porcelain, and similar materials. Ideal for enhancing the edge of exposed holes, reducing cracking risks in tiles under tension, and smoothing rough holes in glass, ceramic, and porcelain tiles. [Cost Savings] --Easily create holes ranging from 0-50mm using a single standard diamond core bit and a diamond chamfer cone tile bit, offering an economical solution [Note]--This tool is not for drilling holes but for beveling and reinforcing hole edges when they are chipped or require cleaning. Recommended operating speed is 6000rpm, with a maximum of 11000rpm