When we get our very own doll, we&#039;re sure to be excited at first and then want to dress her/him right away. Generally, when you first receive the package, the doll&#039;s body and head are separate. So how can you assemble the perfect love doll? Below, we will explain in detail the standards and uses of connection bolts for dolls. <br> <br>M16 screws are the most widely used screws in the current sex doll industry. It is compatible with a series of brands such as WMDoll, Real Girl, Irontechdoll, etc., making it a versatile choice for users. Manufacturers consider interchangeable heads when producing dolls, designing interchangeable heads for customization and versatility in appearance. Currently, there are three types of M16 bolts: standard double thread bolt, single thread bolt, and multi-angle rotating link screw. [a]https%3A%2F%2Fwww.dachiwife.com[/a] <br> <br>1: Standard double thread bolt <br>This standard threaded bolt is a previously widely used head connector. It is double threaded so either side can be used to connect with the doll&#039;s head or body. It is almost unused now. <br> <br>2: Single thread bolt <br>Single thread bolts are common head connectors. This is compatible with all sex doll heads with older M16 connectors. This head connector allows you to easily change doll heads without having to rotate the head. It&#039;s easy and quick. <br> <br>[a]https%3A%2F%2Fwww.dachiwife.com[/a]/140-148cm-sex-love-dolls.html <br> <br>3: Multi-angle rotating link screw (Currently the most commonly used head connector screw) Sex Doll <br>One end can be inserted into the main body and head, and the central link part has a ball lock that allows the head to be rotated to multiple angles. Please refer to the image below to show the specific detail effect. Please follow the steps below during operation: