These invaluable drill bits are sized in mm and are great for drilling holes and even better for precision setting of stones. The are made of high strength steel intend for cnc milling. As a result they stay super sharp and will not contaminate your clay. Once you have them on your bench you will find yourself looking for them on almost every project.
Sizes:
1 mm
1.5 mm
2 mm
2.5 mm
3 mm