masonry resin anchors

The 'head' of the bolt refers to its top part that sits above the threaded shaft. It's the part that provides the gripping surface for the tool used in installation or removal. The hexagonal shape offers several advantages over other head designs. Firstly, it allows for better torque application, enabling precise tightening without slipping. Secondly, the six-sided profile can accommodate larger wrenches or sockets, which can generate more torque, ideal for heavy-duty applications.

...

Black collated drywall screws are specialized screws that have been engineered for the efficient installation of drywall. They are often coated with a black phosphate finish, which not only enhances their rust resistance but also contributes to their aesthetic appeal. The term collated refers to the method in which these screws are packaged and organized, typically in strips or coils. This collating allows for quick and easy installation, particularly when using a screw gun or drywall screw gun, significantly speeding up the process of hanging drywall.


...