For metal to metal applications 20 gauge or less, Daggerz Unslotted Hex Washer Head Sheet Metal Screws have serrations under their heads and a double lead thread which enables fastener penetration and greater holding power.
Daggerz
#10 x 3/4" Daggerz Unslotted Hex Washer Head w/Serrations Sheet Metal Screws Dagger-G…
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