8/12mm Diamond Coated Core Bit Tile Drilling
8/12mm diamond coated core bit for ceramic marble porclain with 1-1/4" Shank thread power tool drilling for Kitchen Bathroom Decoration
1.Dry drilling for porcelain, ceramic, dekton, marble,granite, stone, mosaic glass,brick etc
2.Excellent performance, fast and smooth drilling,less chipping
3.High strength diamond provide much longer working life
4.Suitable for gun-drill among other portable charging type tools.