M16-2.13-T7.2.12-13,5-23 is a type of threaded hole fastener used for connecting two pieces of material together, usually in a light fabrication process. It has a metric thread size of 16 mm, a short length of 13 mm, a thread pitch of 7.2 mm, and a thread length of 12 to 13.5 mm. The overall length of the device is 23 mm. The device can be used in a variety of materials, including wood, plastic, and metal. It is commonly used in light fabrication processes, such as furniture assembly and small machine parts production.