Romax Glass Drill Bit 3/8 inch, Tile Drill Bit 3/8 inch, High Temperature Brazed Carbide Tips, Cross Spear Head Reduces Breakout, Drilling Bottles, Marble, Ceramic and Mirror | 10 mm x 5 Piece

IMPORTANT! Rocking the drill in a circular motion helps it cut! Description Glass and Tile Drills feature a High Temperature Brazed Carbide Cross Spear Head Cross Spear tip reduces breakout, easy to drive. Good performance, Making clean and accurate holes Perfect tool for drilling Glass (non tempered), Tile, Marble, Ceramic, Bottles, Mirror, Concrete, Brick, Plastic and Wood. Such as drilling glass, bathroom and shower installation, drilling and fastening mirrors, setting concrete screws in tile and many more Additonal Info -High Temperature Brazed Carbide -Cross Spear Head -Straight Shank Feature *High Temperature Brazed Carbide Tip *Cross Spear Head *Straight Shank *Use constant flow of coolant and clear chips frequently *A light feed with steady pressure at 25 SFM (300 to 600 RPM) is recommended *Avoid vibration and excessive stress *Do not use impact mode of drills or hammers *Material should be backed with wood or rubber for support during drill breakthrough *Keep drill sharp to eliminate excessive pressure Technical Specs *Product Type: Glass & Tile Drill *Material: Carbon Steel *Diameter: 3/8 inch (10 mm) *Shank Type: Straight Point *Type: Cross Spear Head *Finish: Black Coated *Tip Material: Brazed Carbide

• [Multifunction] Perfect tool for drilling Glass, Tile, Marble, Ceramic, Bottles, Mirror, Concrete, Brick, Plastic and Wood.
• [High Life Time] High Temperature Brazed Carbide Tips with a reinforced head help to reduce stress, prevent bit cracking and provide longer life.
• [Precision and Fast] Cross Spear Head solves bit wander and bit walking and reduces breakout, Making clean and accurate holes.
• [IMPORTANT] Rocking the drill in a circular motion helps it cut!
• [CAUTION] Use constant flow of coolant and clear chips frequently to extend life time