How Many Threads Per Inch Are 2-1/4 inch Torx Floor Screws
Updated 09/12/2025 | Published 05/29/2025
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Question:
Why 20 threads per inch on standard 1/4inch diameter screws and 21 per inch on the ACQ approved others?
asked by: Tommy S
0
Expert Reply:
Hey Tommy, the non treated version of the screws part # TF01225 from Redline is also 21 threads per inch which is the same as the ACQ treated version part # TFX225ACQ. Other brands might have this different.
expert reply by:
Jameson C
0
Product Page this Question was Asked From
2-1/4" Long Torx Trailer Floor and Wall Liner Screw for ACQ Treated Wood
- Accessories and Parts
- Trailer Tie Down Anchors
- Hardware
- Torx Screw
- 2-1/4 Inch Long
- Redline
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Jameson C.
9/12/2025
Hey Tommy, did the explanation about the thread count help clarify things for you? I'm asking because understanding these differences can be really helpful for others working with similar screws.