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  • The Deck Mate #9 x 3 inch Star Flat Head Wood Deck Screw is great for building with pressure trea...
  • October 22, 2019
  • Recommended Product

The Deck Mate #9 x 3 inch Star Flat Head Wood Deck Screw is great for building with pressure treated lumber. Highly recommend using an impact drill to drive them in and use a T-25 star-bit, incuded with the screws. These screws are coated and specially designed to use with treated lumber. I have used these screws many times on many projects, most recently building a ramp on an existing deck to replace the steps. The 3 inch length is the perfect length for fastening 2 – 2x6’s (or any 2x?) boards together, but they also come in shorter and longer lengths. The thread design only utilizes half of the screw making it possible to pull in the adjoining board and make a tight fit. The star drive head provides a solid hold with the drive bit that avoids slippage, like you get with phillips screws and the star heads keep the impact drill centered, unlike the old straight-line heads.

Pros Easy to Install, High Quality of Material, Multi Use, Strong, screws use the star drive design

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Len

Falls Church VA
65 or over, Male
8 out of 8 people found this helpful
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By: Len
  • This is a great screw for deck boards in outdoor applications. But that is the extent of its app...
  • November 20, 2019
  • Recommended Product

This is a great screw for deck boards in outdoor applications. But that is the extent of its application. Anyone who has worked with redwood and cedar knows that how these materials can discolor at the nail or screw locations, and treated lumber will react with almost any metal. These screws have a warranty for the life of your project, and are coated with something to eliminate that problem. Warnings on the package lead me to think that it might be something containing lead. It is too soon to tell if these will discolor the wood, they shouldn’t, but it often takes a year or two depending on the climate. These are cedar tan colored, so they will blend in (until the cedar starts to weather). A couple of features of these screws make them different than others. One is lack of thread on the upper shank. This should allow a tighter fit of the deck board to the joist, allowing it to draw up firmly. These are also self-tapping, so no pre-drilling is required and splitting is greatly reduced. The lower side of the head is ribbed for countersinking. I found that the included T-25 torx bit was of poor quality and didn’t last long, so you should plan on using a higher end bit and a magnetic drive guide for easier installation. There seems to be more resistance to removing these screws, so I wonder if replacing a deck board in the future could be a problem if they do corrode slightly. Time will tell. I was also disappointed with the lack of any available information regarding their sheer strength, and there is no website information on the package, so I can only assume that they should NOT be used for any other application, such as headers, rim or joist connections that have any shear weight load, especially joist hangers.

Pros Easy to Install, High Quality of Material, self-tapping, self-countersinking, corrosion proof? Cons no specs, deck boards only

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SnowyMontana

Montana
55 to 64, Male
7 out of 7 people found this helpful
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By: SnowyMontana
  • These wood screws with the star head are much better then the phillips heads are. I haven't had ...
  • October 28, 2019
  • Recommended Product

These wood screws with the star head are much better then the phillips heads are. I haven't had any heads round out like the phillips heads, Just make sure you have the right S bit for the screws, I recommend a 2" long bit. The box of screws come with a short bit in the box. I'm in the process of replacing all my phillips screws with these star head screws. THEY ARE THE BEST

Pros Alternative for Real Wood, Easy to Install, High Quality of Material, Multi Use

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SuperPaul

Worcester, MA
65 or over, Male
5 out of 5 people found this helpful
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By: SuperPaul
  • I have used Deckmate screws extensively on outdoor decking projects and have come to trust the br...
  • October 27, 2019
  • Recommended Product

I have used Deckmate screws extensively on outdoor decking projects and have come to trust the brand. These 3” screws have a new feature; a series of little bumps on the shaft between each thread of the screw. The box claims its a new patented feature but makes no claim as to what they achieve. What do they do? A video at HD says they push the wood out. Anyway, they claim that the design results in 40% more screws per battery charge, which is great! (This suggest that each screw uses only 71% of the energy of the older design). The box includes a T-25 Torx bit which fits the screws. There are about 309 screws in the box. The screws drive in without a problem as one would expect from this well known brand. The heads end up flush and I have not had any wood splinters stick up from the screws. I use the 3” ones for places where I need to fasten heavier lumber, or if fastening decking to some older lumber that is a bit soft at the top, relying on the additional length to dig deeper into the wood below. Lifetime warranty. Made in Taiwan

Pros Easy to Install, Good Shape, High Quality of Material

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Dale

Maine
55 to 64, Male
4 out of 4 people found this helpful
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By: Dale
  • October 27, 2019
  • Recommended Product

The Deck Mate #9 x 3 in. Star Flat-Head Wood Deck Screw can be used in a variety of scenarios from building a deck with pressure treated or composite lumber to a number of home improvement projects. The star head allows the bit to grip tightly and limit the potential for slippage with often leads to stripping the head. The self drilling feature allows you to easily drive this three inch screw quickly and easily. These screws are extremely strong and durable. I performed a strength test on this screw. I took two pairs of vice grips and bent the screw until it snapped. The screw almost made it to ninety degrees before it snapped. So I think it goes without saying that if the screw can take that much stress it will last the life of whatever project you use it in. I would highly recommend these screws. The peace of mind they provide is well worth the investment.

Pros High Quality of Material, Multi Use

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GMJAWX

Milford, PA
35 to 44, Male
4 out of 4 people found this helpful
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By: GMJAWX
  • Wouldn't dream of building a deck or fence without this type of screw... time tested star drive h...
  • October 23, 2019
  • Recommended Product

Wouldn't dream of building a deck or fence without this type of screw... time tested star drive head that won't slip or strip, reinforced neck to prevent snapping, self-drilling tip (pilot holes not needed) and an engineered thread pitch/flute design that requires almost half the amount of force required when driving compared to other typical screw designs (translates to longer power tool battery life). Also has durable weather resistant coating to eliminate corrosion a long way down the road. Last but not least, a T25 bit that fits 1/4" impact drivers is included for those who might not have an assortment of Torx bits handy.

Pros High Quality of Material, self-drilling, engineered thread, t25 bit included, weather-resitant

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Go2Guy

Palm Bay, FL
65 or over, Male
4 out of 4 people found this helpful
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By: Go2Guy
  • The star drive on these deck screws is a nice feature minimizing driver slip when installing. Sin...
  • October 25, 2019
  • Recommended Product

The star drive on these deck screws is a nice feature minimizing driver slip when installing. Since I am waiting on supplies to begin my deck update, I tried them on a piece of standard 2" x 4" lumber and the drive was quick and the tool never slipped in the head of the screw. Also, these are designed with a self-drilling feature that ensures a smooth installation. The 5 pound box also includes a driver bit for the star drive. The coating on the screws has a lifetime warranty.

Pros Easy to Install, Multi Use

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Bill

Pahrump, NV
65 or over, Male
3 out of 3 people found this helpful
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By: Bill
  • If you have an outdoor structure such as a fence or deck and you want the screws to hold up well ...
  • October 26, 2019
  • Recommended Product

If you have an outdoor structure such as a fence or deck and you want the screws to hold up well over time and go in strong without any snapping then these are the way to go. I’ve used these and power pro screws on outdoor projects like fencing and while both are good products these are a step up from the power pro ones for a couple reasons in my experience. (1) The shafts are heavier for the screw size so they are strong and won’t snap off if your sink them up or the wood you are driving in is a little hard. (2) They weather better over the long haul. I’ve had some of both out for a very long time (over 15 years) and these have not shown any rusting while some of the power pro ones have. The star drive is definitely way easier to work with than anything else. I’ve got some repair work to do on about 400 feet of fence I built by sinking PT 4x4’s into concrete and using PT 2x6 cross pieces and PT 1x6 pickets. I left it raw and unpainted. It is now around 20 years old. While most of it has help up well a few pieces have deteriorated so it is time for some repair before winter sets in. I have the highest confidence I can put things together with these and forget about it. You just can’t go wrong with these.

Pros High Quality of Material, strong. do not snap easy, hold up very well over time

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decman

jasper, TN
55 to 64, Male
3 out of 3 people found this helpful
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By: decman
  • Very good deck screw. Went in very easy. I would...
  • July 09, 2019

Very good deck screw. Went in very easy. I would definitely recommend.

HomeDepotCustomer

3 out of 3 people found this helpful
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By: HomeDepotCustomer
  • Know your application, and don't fear the star, embrace it. Bit quality is just OK. Don't get t...
  • October 27, 2019
  • Recommended Product

Know your application, and don't fear the star, embrace it. Bit quality is just OK. Don't get these for the bit, get them for the screws. I took off a star because I found that the included star bit cammed out on me on a few screws that may have had a bit too much coating in the star head. With a different star bit from a quality driver set, I had no problems. Star bit? Yep. Best. Won't cam out as much as a Philips. You want the star... and even the included bit is good enough. Drive them with an impact driver and it is gold for putting down deck boards. I'm pretty much finding everyone is going to star bits. Be aware that there is a long smooth lag area on the shank above the threads. This is good for putting down boards and for screwing cross-cut to the grain which is typical for most applications, such as driving deck boards onto the joists. In this way, the screw will pull down the top board and not fight against the bottom support joist. I found that the long smooth lag area and short threads didn't work so well on a little project I had that involved screwing into the end grain. This isn't a typical application, so I'm not deducting anything. I simply needed a different exterior screw that had no lag, and threads all the way up to the head. Made in Taiwan

Pros High Quality of Material, Seals Well

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wxray

Raleigh, NC
55 to 64, Male
2 out of 2 people found this helpful
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By: wxray