The fasteners install in aluminum or steel sheets as thin as 0.040 to 0.070 in./1 to 1.78 mm and come in thread sizes from #4-40 through #10-32 and M3 through M5.

Sheet Metal Screws. Due to its hardness, metal requires special fasteners. Sheet metal screws secure and tighten metal items ...

Sheet metal screws are known as self-tapping fasteners because they cut their own threads into the material (aluminum or plastic), and you don’t need to use a separate tool ...

It requires no screws, rivets, or other pieces of fastening hardware. There are few limitations on fastening tabs. The metal tabs that are to be bent should be between 0.12 and 0.8 in. thick.

Grip-Liteâ„¢ screws are designed specifically for thin sheet metal applications. According to the company, the screws provide tight assembly with increased strip-out torque, improving joint strength.

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Place the polycarbonate sheet atop one cedar frame, aligning their edges, and attach with 12 roofing screws** and rubber washers, spaced 1′ apart (as shown). Flip the frame over, and repeat to attach ...