Forged out of stainless steel 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 standare 3/8 hole on back plates. They are sold in singles and come in 3 sizes.
- The 12mm is generally for a single grommet attached to the back plate. Example would be attaching a back pad to the back plate.
- The 18mm is generally for attaching two grommet items and the back plate. Example would be attaching a soft STA, wing, and the back plate.
- The 22mm 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.
11518049 Book 12mm thread screw
11518050 Book 18mm thread screw
11518077 Book 22mm thread screw
4,251,088,250,498 Book 12mm thread screw
4,251,088,250,504 Book 18mm thread screw
4,251,088,254,861 Book 22mm thread screw