## Plastic "Bullet" | Thread | Cable Range | | ------ | ----------- | | M12 | 3 - 6.5mm | | M16 | 5 - 10mm | | M20 | 10 - 14mm | | M25 | 13 - 18mm | | M32 | 18 - 25mm | | M40 | 22 - 32mm | | M50 | 30 - 38mm | | M63 | 34 - 44mm | | M63 | 44 - 50mm | Suppliers - [Carroll](https://www.carroll.com.au/nylon-ip68-rated-cable-glands.html) - [Treotham](https://shop.treotham.com.au/glands/plastic/standard?page=1) Carroll sell in packs, but the website doesn't say how many are in each pack. I'm not sure if they are cheaper or not. Treotham sell individually. They have multiple colours (Black and Grey). They also sometimes have more options for the cable range for each thread size. ## Metal Roughly the same sizes as above. Suppliers - [Carroll](https://www.carroll.com.au/electrical-protection-cable-glands.html) - [Treotham](https://shop.treotham.com.au/glands/metal/standard?page=1)