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profdant139's avatar
profdant139
Explorer II
Jan 25, 2019

Questions: self drilling/ tapping screws for chassis work

I'm getting ready to install my underbelly cover -- there will be aluminum C channel beams (to support the foam panels and the coroplast under-skin) attached to the underside of the trailer's frame me...
Cummins12V98's avatar
Cummins12V98
Explorer III
Jan 28, 2019
seaeagle2 wrote:
You guys missed a something, he's looking at 1/4" screws, not sheetmetal zip screws with quarter inch heads. That's why there so expensive.


Well as I suggested a look at AMAZON will get what you want at a reasonable price.

Are these "EXPENSIVE" at .1762 ea?

As mentioned a #10 screw for this application is more than stout enough.

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