Diamond Drill Bits, 10 Piece Hollow Drill Bit Set for Ceramic Tile, Glass, Porcelain Diamond Drill Bit Set for Ceramic Tile Glass Drill Bits, 6mm to 30mm - RWDelicate Material Drill Bit

• 10 sizes (diameter): 6 mm (1/4"), 8 mm (5/16"), 10 mm (3/8"), 12 mm (1/2"), 15 mm (3/5"), 16 mm (5/8"), 18 mm (11/16"), 20 mm (3/4"), 22 mm (7/8"), 30 mm (1-1/5"). Meet most of your different needs.
• Stainless & Durable: Made of high-strength carbon steel with a smooth nickel-plated surface to extend service life.
• Fast, precise & Smooth Cutting: Coated with high quality diamond to improve drilling speed and creates a clean, high precision and smooth cut without broken edges in seconds.
• Application: Drill Glass, Tile Bottles, Block Jars, Fiberglass Porcelain Tile Ceramic, Mable Slate, Clear Granite Stone.Do not use on concrete or for depths greater than about 1/2"".
• Attention: Please keep the speed 800-1000 per minute, keep adding water to keep the drill cool, strictly prohibit dry drilling.

Product description

Diamond Drill Bit Set, 10 PCS Glass Hole Saw for Tile Glass Ceramic Marble Bottles DIY, 6mm -- 30mm

Features:

Good performance: Diamond dust coating provides superior cutting performance and resistance.

Wide application of tile hole saw: Coated core bit removes a full circle of glass, tile, marble, granite, ceramic or other materials and only needs water for lubrication.

10 SIZES: No matter what size hole you want, it can always drill a perfect hole for you.

Specifications:

Material: high quality steel, diamond dust coating

Color: Silver

Size: 6 - 30mm / 0.23" - 1.18"

(6mm, 8mm, 10mm, 12mm, 15mm, 16mm, 18mm, 20mm, 22mm, 30mm)

Quantity: 10 pieces

Note:

If you smell burning, step back! Either your speed is too high or the pressure you are applying is too much. 

Your drill bit should never be hot to the touch, not even hot.

●Slowest speed

● Always use lubrication (water)

● Minimum pressure

Package Content: 10 x Tile Hole Saws