Everything You Need to Know About Glass Joint Size and Thickness

Glass Joint sizes

Choosing the correct glass joints for yourself can be nothing short of a minefield. Pick the wrong one and BOOM! Well, you won’t blow up or anything but you’ll be left with a mismatched attachment and your bong is utterly useless and your night is destined to be smoke free. 

Well, allow us to throw you a metal detector - Okay, we’re going to stop with this labored bomb metaphor. Basically, what we’re offering might just save you quite a bit of cash and frustration.

There’s a lot of technical jargon out there making joint sizes seem a lot more complicated than it really is, but there are really only a couple of things you need to know. Let’s get into them.

Check out why glass is the best material for bongs and pipes?

Your Joint’s Gender

Kitty Love Bong by Trailer Park Boys

That’s right, your water pipe or bowl has a gender. Now technology hasn’t developed sufficiently for bongs to overcome the gender binary, but no matter. This is an important first bit of information to understand about your bong as it will help you to choose what pieces will attach to it.

Determining the sex of your bong is nowhere near as complicated as it sounds. If your attachment is male you will need a female joint that will fit onto the male element. If you have a female attachment then you’ll need the male joint. Pretty straightforward, yeah?

Joint Sizes

Twisty Glass Blunt

Once you have established whether your bong is male or female, you can focus your attention on joint sizes. When someone says joint size, it refers to the diameter of the hole that your down-stem or bowl will fit into. Joint sizes have changed quite drastically over time to allow users to switch between different bowls, ash catchers, and other accessories.

Below we’ve listed the three standard joint sizes: 

  • 10mm – This is often referred to as a micro or nano-joint and is mostly used on smaller rigs and pipes. This is the rarest joint size of the three.
  • 14.4mm – This is possibly the most common joint size that is used across a wide range of brands.
  • 18.8mm – This is reserved for the larger dab rigs and glass water pipes. It is very common and very widely used across a number of brands and products. Due to its large width, down-stems with an 18.8mm diameter will be less likely to clog than their smaller counterparts.

Check out best pipes of 2021


Dr. Dabber Recycler Pendant

It’s important that when you’re buying the attachments for your bong you know the specifications of your joint, so you can apply the right adaptor. It might sound simple but it’s easy to overlook. For instance, your water pipe may have a 10mm male joint which means you will need a 10mm female bowl to be compatible. 

There is an easy way to remember compatibility, almost like a golden rule of bongs:

The joint size must match the measurements of your bowl where as the joint gender must be the opposite.

Where compatibility is concerned, size matters. If your buddy Dave comes over to your house with an 18.8mm bowl to fit on your 14.4mm female joint, you are both going to look pretty stupid as there is no way in hell it’s going to fit.

At Everyonedoesit we know how confusing this can be, especially for the beginners out there. It’s probably difficult for the more experienced users too but they’re less likely to admit it.

For anyone who needs it we have a dedicated online customer service available 24 hours a day. They’re there to help you find exactly what you’re looking for. Our online store has all the standard joint sizes you require for all your smoking needs and many more accessories besides. Don’t be afraid to ask one of our online staff members to point you in the right direction.