Coating on the Redline 2-1/2" Long Torx Trailer Floor and Wall Liner Screw # TFX250ACQ

Question:

I would like to know the what is the special coating that is on these floor screws that makes them ACQ certified? I have found a large ion of these floor screws at many locations that have the same screws that are only labeled as having a black phosphate oil based finish. I want to know what coating or finish qualifies these screws that you sell and endorse to be ACQ. Is it something more than black phosphate hardened with an oil base finish? Hep me understand the difference between the black phosphate hardened oil base finish coating and ACQ protected coating. I dont want to purchase the wrong material and have to replace the screws after doing the deck replacement on my trailer. Thank You

1

Helpful Expert Reply:

I spoke with my contact at Redline who said that the 2-1/2" Long Torx Trailer Floor and Wall Liner Screw for ACQ Treated Wood # TFX250ACQ actually has a coating of Alkaline Copper Quaternary on it. This gives it superior resistance to any corrosion that would take place when it is used with treated wood (including ACQ).

Since both the black phosphate hardened oil based finish coating you mentioned and the ACQ coating are comparable when it comes to resisting the elements, I believe that the best case for the ACQ screws from Redline can be found within the many positive reviews that it has received from our customers. These can be found on the product page under the "Reviews" tab.

I have also attached a review video for you to check out.

helpful expert reply by:
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Jon G

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