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These 5/16"-18 x 4" bronze epoxy-coated lag screws feature a reinforced neck and aggressive coarse threads designed for heavy-duty outdoor construction. With a Torx/Star drive included, they ensure smooth, cam-out free installation. Engineered to exceed 1,000 hours in salt spray corrosion tests, they’re ideal for decks, stairs, and playsets, backed by a limited warranty and Hillman’s reliable customer support.
D**E
Tough and rust proof.
Got the job done, heavy-duty.
J**F
heavy duty
nice heavy duty screw, looks nice to
T**D
Screws That Keep the Roof Over Your Head
I used the Power Pro 47877 Lag Screws to screw down plywood for a roof, and guess what? They worked! The roof didn’t fly off, which, in my book, is a major win. The star drive made installation easy, and they bit into the wood like a champ.Will they rust? Honestly, I don’t think so—they look and feel like they’re built to last. But hey, even if they do, the roof’s still up there, so mission accomplished. If you need reliable screws that won’t let you (or your roof) down, these are the way to go.
W**L
Start in wood easily, sometimes the bit doesn't seat fully
They thread into wood quickly. When the bit insert area is actually machined/painted right, the bit holds tight and I can one-hand screwing these in. About 2 out of the 25 had an issue where the bit would not seat fully so I had to hold the screw to start it... no big deal in most situations except I was up on a ladder on top of a sloped roof which I needed to climb a ladder to get to in the first place, so... I needed my other hand to hold me steady. Thankfully I only needed 20.
B**N
Excellent product, served my purposes well.
Ah, the Power Pro 47877 Lag Screws, what a marvel of modern engineering! These little beauties are like the Superman of the screwing world - able to fly through the air with the greatest of ease and bring two pieces of wood together with the force of a thousand hammers.Let me tell you, my friends, these screws are not to be trifled with. They are the Mjölnir of the carpentry world - capable of smiting down any piece of lumber in their path. With the strength of ten men and the precision of a surgeon, these screws are like a symphony supporting power tools in action.I used them to connect two pieces of wood together and was left absolutely tongue-tied by their impressive performance. It was like watching a synchronized swimming team of screws, flawlessly moving in unison to create a beautiful connection that left me breathless.And the best part? These screws aren't just a one-trick pony. Oh no, my friends, they can be used in a variety of different ways to achieve the perfect fit. Whether you want a tight joint or a looser connection, the Power Pro 47877 Lag Screws can make it happen with ease.So if you're looking for a screw that will leave you speechless, look no further than the Power Pro 47877 Lag Screws. They're the Chuck Norris of carpentry - able to handle any job with ease and leave you in awe of their incredible power.
K**L
Great Structural Screws.
Used on my 35 year old deck balusters which were nailed in and loose. Worked perfectly.
A**3
Heavy Duty
Got these after they dropped price and they were a real bargain for what I needed. Used them to hang vinyl/plastic shutters on our home after the silly plastic anchors failed. The 4" length was needed because the previous homeowners placed 1" foam under the vinyl siding they installed. The shutter, siding, and foam panels combined to ~2.75" of thickness so I thought that a 4" screw would be perfect to bite into the original wood siding. Since our shutters are painted black, I stuck the screws into a big piece of cardboard and then spray painted them with several coats. Rehanging our shutters allowed me to get them aligned better and now I have no doubt that they will remain in place until myself or the next owner chooses to remove them; which will be easy since they are just massive screws. A point of caution, beware of wasps and hornets when removing shutters or other siding from your home. I found two nests and thankfully was able to spray them with foaming insecticide. Not much fun when you're high up on a ladder where all your neighbors can judge you. Finally, I recognize that these were overkill for shutters, but they provided the large button-head look that my wife liked, and I ended up with quite a few extra that will be used for more appropriate construction projects in the future.
B**N
Quality product
Worked really well for my project. Super strong and well made.
Trustpilot
2 weeks ago
2 months ago