How To Drill A Hole In Glass

The glass sheet to be cut had a plasticine dam around the drill and water and carborundum powder.

Start on a piece of cardboard. The key is to use a carbide bit made especially for glass and tile. Beginning at low speed with medium pressure drill a small starter hole into the glass. Once you ve got the hole started you can switch to a bigger drill bit.

Pour a few drops of lubricating oil on the area around the drill tip and glass. Put on your glasses and gloves. Place the point of the drill at the center of the marked point on the glass. This will keep the glass from fracturing around the hole you create and it ll keep the bit from slipping out.

Cover the bottle with water. Make a precise starter hole using low speed and moderate pressure. To drill holes through glass start by attaching a small piece of tape or cardboard to the glass where you want to drill the hole which will prevent the drill bit from slipping. To prevent glass damage you must drill a starter hole at the marked point.

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Drilling a hole in a pane of glass or a mirror is simple. It s a good idea to start with a small drill bit 1 8 or 1 4 inch even if you re making a larger hole. In this video we drill a hole using a spear shaped glass drill bit. Now you can drill a hole in the point you want.

If you have clamps you want to use them during this step. Took about 10 minutes to drill window glass. First tape some cardboard around the part of the glass that you re going to drill. Put your instamorph plastic guide on the bottle.

If you have a thick piece of tape you can just tape the surface directly. Set the glass on a secure flat surface such as a table. Glass can easily be drilled with the correct drill bit and a suitable lubricant coolant. Tape a small scrap of dense cardboard to the glass.

Pressure on the drill had to be very light because when the drill broke through the glass could shatter. Attach the drill bit for glass to your drill. Begin at very low rpm to create a dimple in the glass then remove the cardboard and continue at about 400 rpm. Squeeze the trigger of the drill lightly while pressing the bit straight into the bottle.