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If you are building in seaside environment, you need to use 316 grade stainless steel fasteners to achieve adequate corrosion resistance. These screws not only meet that requirement, but they feature the easy-to-use Star or 6 Lobe recess design to virtually eliminate cam-out. The difference between Star drive and Square Drive is largely a matter of personal preference – both offer superior performance. Imported.
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Wooden Pool Deck screws
from Western U.S.
About Me Casual Do-It-Yourselfer
Comments about 10 x 3-1/2 Deck Screws, 316 Stainless Steel, Flat Head, Star Drive:
Built an above-ground pool deck (pressure-treated wood) 6 years ago, and to my regret, the outdoor-deck screws (the grey kind you get at the big-box stores), began to rot out within just a few years. Because of the guarantee with those old screws, thought they would be an adequate product. Maybe for some decks and situations, but not this one. I was very disappointed...replacing all those darn screws was not fun. Did considerable research, and decided to replace them with stainless steel screws, also from a big-box store, and the same thing happened within two years. Wasn't too happy with this situation; surely there was some type of screw that would hold up? Finally, after more research, I found information I hadn't been able to find earlier; discovered there were different grades of stainless screws. What I needed, because of the chlorine and possibly the chemicals in the pressure-treated wood, was 316 Marine Grade Steel, apparently the best you can get. I had to really search the web to discover the right type of screw for this situation, and then searched some more for a good seller; chose McFeely's. Their shipping was fast, and even got a 15% off coupon, upon which bought a lot more of these. Also, because the Phillips heads on the old screws frequently stripped out, did more research and decided the Torx (or star-drive) head might be best. So have purchased about 500 of these Torx, Marine-Grade 316 screws (plus bits) from McFeely's to date, and hope that they will do the trick. Won't know for certain until a year or two has passed, but this is the best I've been able to find yet. They seem solid & grip into the wood very well. I really like the Torx head, as well; much better than the old Phillips head. (As an aside, but maybe helpful for those who are going to build a pool-deck like this, the Z-Max fittings, and stainless Crown Bolts, have held up very well. Have coated the Z-Max with anti-rust spray to help some, just for extra measure. I also recommend a good stain for the pressure-treated wood; the chlorine is pretty hard on most materials---I use Behr 402 Redwood, gives the deck a beautiful,burgundy look, not "firetruck"-type of red, that is). Would like to give these screws 5 stars, but can only give 4 stars for now since there hasn't been enough time to see if they will last longer than the old screws. Sure hope so, bet they do. Thanks, McFeely's, am pretty sure these will be better than the others I've tried. Hope this helpssomebody out.
Bottom Line Yes, I would recommend this to a friend
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