Made of rust-resistant stainless steel.
Bag nuts are nuts that are welded to one side of the hexagonal nut with a domed metal plate.
M&B bag nuts are available in 2 types of 3 types of common shapes.
Since the tip of the bolts and screws are not exposed, it is used in situations where safety and decoration is required, and it is often used for securing playground equipment in the park, and places with high traffic.