【Size】1pc, Top diameter 4/5"(20mm),Bottom diameter 1-3/8"(35mm),Total length 65mm,Workable length 50mm,Grit #50/60 【Application】It is a versatile milling bit designed for enlarging existing holes,millinig edges,shaping in ceramic tile,porcelain tile,marble,granite and similar materials. 【Money-saving Tool 】You can create many different hole sizes and arcs with just 1 standard core drill and this 2-in-1 design finger drill. 【Note】It can be used on 5/8"-11 Thread angle grinder; Recommended speed is 6000RPM, Max speed is 11000RPM. Not recommend to make a hole directly 【Service】If you encounter any logistics or product quality problems, please feel free to contact us, we will do our best to solve your problems. Product Name:
1pc 4/5" 1-3/8"(20mm-35mm) Vacuum Brazed Diamond finger milling bits for Ceramic Tile,Porcelain Tile,Marble,Granite

Quantity:
1pc 4/5" 1-3/8"(20mm-35mm)

Specification:
Top diameter 4/5"(20mm),Bottom diameter 1-3/8"(35mm),Total length 65mm,Workable length 50mm,Grit #50/60

Application:
1. Enlarging existing holes,Millinig edges,Shaping in Ceramic Tile,Porcelain Tile,Marble,Granite
2. Not recommend to make a hole directly
3. Suit for Angle Grinder

Feature:
1. 2 Different Grinding Sizes（4/5"&1-3/8"）can quickly deal with the demands of different sizes in enlarging, grinding and shaping
2. Grit #50/60 provide you great finishing
3. Vacuum brazed technology provide high efficient working performance &longer service life