Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.
Knox Trailers · Hardware & Fasteners
TORX-05100
In stock · ships from Knoxville
This is a 5/16-18 x 1 inch Torx flat head floor screw, commonly used to attach wood floorboards to the steel crossmembers of flatbed trailers.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 2 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Other applications
Other applications
Requires a pre-drilled hole; uses a T40 Torx bit (sold separately). Designed for thread engagement in steel crossmembers.
Part data verified against 1 catalog sources
Numbers this part supersedes or interchanges with. Showing 1 of 1.
Different year, make, or config? Get a confirmation against your truck in under a minute.
The flat head lies flush to prevent cargo damage, while the Torx drive (typically T40) resists cam‑out during installation. It is made of steel with a zinc plating for corrosion resistance and features a thread‑forming Type T trilobular point. [bylerrivet.com](https://bylerrivet.com/products/nuts-bolts-screws-washers/floor-screws-nuts-bolts-screws/torx-flat-head-floor-screws/torx-flat-head-floor-screw-516-18-x-1/)
Part Number: TORX-05100
FLOOR SCREW 5/16X1
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more
