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Knox Trailers · Hardware & Fasteners
1/4-20X3
In stock · ships from Knoxville
This is a 1/4-20 x 3 inch Torx flat head, Type F point self-threading screw, commonly used for securing wood floorboards to metal supports in heavy-duty trailers.
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Verified fitment for 2 applications
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Commonly referred to as a floorboard or trailer deck screw; 'scuff screw' may be a regional or specific application term.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 4 of 4.
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Its black phosphate coating provides corrosion resistance, and the self-threading design requires a pre-drilled 7/32" hole for installation. While labeled a 'scuff screw' at Knox Trailers, it is widely known as a trailer floorboard screw, designed to sit flush with the decking surface.
Part Number: 1/4-20X3
SCUFF SCREW
Unit: ea
Dealer: Knox Trailers
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