Screw types vary and some screws do not have a ... Due to its hardness, metal requires special fasteners. Sheet metal screws secure and tighten metal items to each other, or to fasten items ...

Fasteners are often made of steel, but there are many different types of steel. Here are the steels most commonly used... Fasteners are often made of steel, but there are many different types of ...

Metal screws as we know them today have been ... when Canadian P.L. Robertson patented the “first recess-drive type fastener practical for production usage,” a recessed square-drive screw ...

A major cause of failures in metal fasteners is electrochemical corrosion (rust), or so-called galvanic action. Engineers and designers alike can greatly reduce this type of corrosion by ...

Although I own and stock dozens of different types of screws, here are three screws that I find myself using again and again. They fasten wood to wood, metal to metal, and metal to wood.

While metal roof fasteners may seem like just a minor aspect of a big system ... While the meaning of proper installation will vary based on a number of different factors, such as the roof type, roof ...