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Knox Trailers · Hardware & Fasteners
1/4-20X3-1/2
In stock · ships from Knoxville
This is a 1/4-20 x 3-1/2 inch Torx flat head trailer floor screw, often called a scuff screw.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 2 applications
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All confirmed applications for this part number.
Other applications
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Verify that the 1/4-20 coarse thread and 3-1/2 inch length match your floorboard thickness and crossmember depth. Uses a T-30 Torx bit.
Part data verified against 3 catalog sources
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It secures wood floorboards to the metal crossmembers of flatbed, utility, or horse trailers and sits flush to prevent cargo damage. Replacing corroded or stripped screws during floor repairs keeps the deck smooth and safe.
Part Number: 1/4-20X3-1/2
SCUFF SCREW
Unit: ea
Dealer: Knox Trailers
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