OMS Book Screws 1/2" (12 mm) Thread (Nut and Bolt) SS
Forged out of stainless steal primarily used to connect a metal backplate to a multitude of our items such as an IQ backpack, all of our BC wings, our back pads, and Single Tank Adapters(STA) and more . Book Screws can also be used to mount inflation systems to the back plate. They fit a standard 3/8 hole on back plates. They are sold in singles and come in 3 sizes.
The 10mm is generally for a single grommet attached to the back plate. Example would be attaching a back pad to the back plate. The 16mm is generally for attaching two grommet items and the back plate. Example would be attaching a soft STA, wing, and the back plate. The 20mm is generally for attaching three grommet items and the back plate. Example would be attaching a soft STA, wing, IQ pack and the back plate