30mm Diamond Drill Bits Hole Saws for Glass Ceramic Porcelain Tiles 8 Pcs

Description:

* This glass hole saw needs to be used at a low speed, about 800-1000RPM.

* Please start your hole diagonally, make a round trace and then hold drill straight.

* In order to prolong the life of this glass hole saw, please work with coolant when processing.

* Wide used for drilling glass, ceramics, porcelain, ceramic tile, porcelain tile, limestone, slate, marble, granite, light stone and fiberglass.

Specification: 

* Material: Carbon Steel, Diamond Particles

* Color: Silver Tone

* Drilling Diameter: 30mm / 1.18-inch

* Drilling Depth: 31mm / 1.22-inch

* Shank Diameter: 7mm / 0.28-inch

* Total Length: 51mm / 2.01-inch

Package Content: 

* 8 x Glass Hole Saw