Diamond Core Drill Bit Set - BRSCHNITTTile Hole Saw Kit 1/4" 5/16" 3/8" 4/5" 1-3/8"2" 3" 4 1/2"& 4/5" Finger Bit&2" Chamfer Bit for Porcelain Tile Ceramic Marble Granite&Diamond Blade - BDB09911203R101

• ✔Wide Application --Diamond core bits are worked great for dry drilling holes through porcelain tile, ceramics, bathroom tile,marble granite,stone,masonry, brick with ease,Using water could prolong the lifetime ✔Wide Applications --A blade engineered for extremely smooth cutting of porcelain tile, ceramic tile, marble, granite,masonry and other natural stone ✔Wide Applications Chamfer Bit--Recommended for enlarging, shaping and/or round bevel existing holes in porcelain tile, ceramics, bathroom tile,marble and countertop with ease,necessary to accomodate pipes or electric wire lines Size: 1/4"5/16"3/8"4/5" 1-3/8"2" 3" 4 1/2",diamond height 10mm, total length 60mm, 5/8-11 thread of the tile hole saw kit Size: 4-1/2 inch (115mm),diamond height 10mm ,segment thickness 1.2mm ,Arbor 7/8"(22.23mm) , wet or dry cutting Size: Diamond chamfer bit :2 Inch (50mm), 46mm workable length, 5/8-11 Thread, Grit #80, total Length 55mm,Top Angle 60 degree Size: 4/5"(20mm), 50mm workable length, 5/8-11 Thread, Grit #45/50, toal Length 65mm Size: 4-1/2 inch (115mm),diamond height 10mm ,segment thickness 1.2mm ,Arbor 7/8"(22.23mm) , wet or dry cutting Machine --angle grinder (direct connection) or electric drill (with adapter )