ITEM: HIGHDRIL 5/8-11" Thread 1set Silver Aluminum Case Bits For Porcelain Tile Granite Marble Quantity:1set/8pcs boxed bits(5pcs drilling bits,1pc Chamfer Bit,1pc Integrated grinding rod drilling,1pc SDS adapter) Size: 1.Core Bits: Diameter:6/8/10/35/50mm, Total length:60mm, Diamond Height: 10mm, Grit:#35/40; 2.Chamfer Bit: Diameter:50mm;Total Length:55mm,Working length:46mm, Grit:#80; 3.Integrated grinding rod drilling: Diameter:20mm, Total Length:60mm, Working length:35mm;Grit:#35/40; 4.5/8-11 SDS Adapter:Total Length:72mm . Application: 5/8-11" Drill bits: Dry or wet drilling for porcelain,tile,granite,marble,stone,masonary and so on; Chamfering Bits:For chamfering,enlarging,grinding and polishing the formed holes. Integrated grinding rod drilling:Multiple functions such as drilling, reaming, grinding, and finishing; 5/8-11 SDS Adapter:5/8-11 thread core bits can be fitted on Hammer drill or electric drill with SDS arbor. Feature: 1. It adopts vacuum brazing technology to produce, which greatly improves the working life; 2. The perfect combination of high-quality steel body and high-quality diamond, drilling is fast and stable; 3. Beautiful handle packaging 4. Make the working face clean,smooth, and the finishing effect is good; 5. It can be used dry or wet