Set of 15 Diamond Drill Bits, Hole Saws for Carbon Steel, Drilling Glass, Ceramic, Porcelain, Tile, Marble, 6/8/10/12/14/16/18/20/22/25/28/30/35/40/50 mm

Product Description EASY TO USE The center pilot points are designed for wood, metal, etc.

Here's how you can keep the drill bit on target:

a- You can create your own guide out of plywood, plastic, or even cardboard.

Simply hold the drill bit in place until it makes the initial marks.

b- It is possible to start drilling at an angle, with the edge of the drill bit forming a C-shaped groove, then bringing the drill bit vertically.

c- You can manually guide the bit with a damp sponge.

Applicable industry: Suitable for processing stone, tile, ceramic, glass, granite, etc.

Package included: 1 * set of diamond drill bits

Material: Iron, diamond-plated head

Color: Silver

Quantity: 15 pieces

TIP: The galvanized diamond coating will wear off if the tool overheats.

Never let the drill bit dry out.

Here's how to use water to cool the tool:

a- You can build a mini water dam around the hole with plumber's grout.

b- You can choose to spray water on the tip.

c- Or you can use running water to cool the bit.

Steps: Start drilling from the opposite corner, trace a circular path with a C-shaped notch, then slowly hold the drill straight. If you smell burning, stop!

Either you're drilling too fast, or you're applying too much pressure. Speed ​​Kills: Reduced drilling speeds, lower drilling pressure, and increased use of water lubrication will significantly extend drill life. Warnings: Do not use on concrete or for depths greater than approximately 3 cm. Water is required for drilling and lubrication. Set of 7 multi-material tile drill bits, Double Cut Tungsten Burrs for Rotary Tools

High Quality Carbon Steel Diamond Drill Bits 20Pcs Rotary Diamond Milling Cutter for Wood Carving HSS Rotary Router Bits Milled Wood

Drill Bit Material: Cemented Carbide Tungsten Steel, the head is diamond-plated. The shank body is ordinary steel and the head is diamond-plated. High-speed steel

Range of Applicable Materials: Glass, tile, ceramic, granite, wood, cement walls. It can be used for cast iron, cast steel, high-carbon steel, chrome-nickel alloy, copper, and other metals. Marble, jade, bone and other non-metals Glass, tile, marble, granite, ceramic Jade, stone stele, wood Wood, plastic How to use: Drilling Engraving, flashing, deburring and other treatments Drilling holes, available in 10 sizes. Carving or peeling Engraving, hollowing, grooving, polishing. Quantity: 7 pcs 10 pcs 10 pcs 20 pcs 20 pcs