How to Drill a Hole in a Glass Bottle to Make a Glass Bong

If you are looking for a creative way to enjoy your herb or tobacco, you might want to try making your own glass bong from a glass bottle. A glass bong is a device that filters and cools the smoke from burning herb or tobacco through water, making it smoother and less harsh on your lungs. Glass bongs can be expensive to buy, but you can make one yourself with some basic tools and materials.

In this blog post, we will show you how to drill a hole in a glass bottle to make a glass bong. You will need:

  • A glass bottle of any shape and size. You can use a wine bottle, a beer bottle, a soda bottle, or any other glass bottle you have lying around.
  • A power drill with a small spear-tipped carbide or diamond bit. These bits are specially designed to cut through glass without breaking it. You can find them at most hardware stores or online.
  • A larger spear-tipped carbide or diamond bit to enlarge the hole to the desired size.
  • A rubber grommet that fits snugly into the hole. This will seal the hole and prevent water from leaking out. You can buy rubber grommets at hardware stores or online.
  • A metal or glass downstem that fits into the grommet. This is the tube that connects the bowl where you put your herb or tobacco to the water chamber of the bong. You can use an old pen tube, a metal straw, or a glass tube from another bong.
  • A metal or glass bowl that fits onto the downstem. This is where you put your herb or tobacco and light it up. You can use an old socket wrench, a metal cap, or a glass bowl from another bong.
  • Water to fill the bottle.
  • Protective goggles, dust mask, and gloves to protect yourself from glass shards and dust.

Here are the steps to follow:

Step 1: Mark the drill site

Choose where you want to drill the hole on the bottle. It should be on the side of the bottle, near the bottom, but not too close to the base. The hole should be large enough to fit the downstem and grommet, but not so large that it compromises the integrity of the bottle.

Use painter’s tape or masking tape to make an X over the drill site. This will help prevent the drill bit from slipping on the smooth glass surface. Use a felt-tip marker to draw a dot at the center of the X. This will be your guide for drilling.

Step 2: Secure the glass for drilling

Place the bottle on a soft and stable surface, such as a folded towel, a cushion, or a piece of foam. Make sure the bottle is lying flat and does not roll or slide around. You can also use clamps or duct tape to hold the bottle in place.

Step 3: Drill a starter hole

Put on your protective goggles, dust mask, and gloves before you start drilling. Fit your power drill with a small spear-tipped carbide or diamond bit. This bit will be used to make a starter hole that you can then enlarge with a larger bit.

Align the tip of the bit with the dot you marked on the tape. Hold the drill at a right angle to the surface of the glass. Start drilling at a low speed and moderate pressure. You can start at a 45-degree angle and then gradually move to a 90-degree angle as you drill deeper into the glass.

Drill slowly and carefully until you break through the other side of the glass. Do not apply too much force or speed as this can cause the glass to crack or shatter. Keep spraying water on the drill site as you drill to cool down the bit and prevent overheating.

Step 4: Enlarge the hole

Once you have drilled through the glass, switch to a larger spear-tipped carbide or diamond bit that matches the size of your grommet and downstem. Use the same technique as before to enlarge the hole until it is big enough to fit them snugly.

Be careful not to make the hole too big or too close to the edge of the bottle as this can weaken the structure of the glass and cause it to break. You can use a file or sandpaper to smooth out the edges of the hole and remove any sharp or rough bits.

Step 5: Insert the grommet and downstem

Push the rubber grommet into the hole from the inside of the bottle. Make sure it is firmly seated and does not move around. Insert the downstem into the grommet from the outside of the bottle. The downstem should be long enough to reach the bottom of the bottle, but not so long that it touches the base.

The grommet and downstem should form a tight seal that prevents water from leaking out of the hole. You can use some silicone sealant or epoxy glue to reinforce the seal if needed.

Step 6: Attach the bowl

Screw or slide the bowl onto the top of the downstem. The bowl should be securely attached and not wobble or fall off. You can use some tape or glue to fix it in place if needed.

Step 7: Fill the bottle with water

Pour some water into the bottle through the mouthpiece. The water level should be high enough to cover the bottom end of the downstem, but not so high that it reaches the bowl. The water will act as a filter and a cooler for the smoke.

Step 8: Enjoy your glass bong

Your glass bong is now ready to use. Pack some herb or tobacco into the bowl and light it up. Inhale through the mouthpiece and watch the smoke bubble through the water and fill up the bottle. Exhale and enjoy!

You can also decorate your glass bong with stickers, paint, or other accessories to make it more personalized and unique.

Congratulations, you have just learned how to drill a hole in a glass bottle to make a glass bong. Have fun and be safe!