
Ratings & Reviews for FastenMaster Assorted thickness x 4-1/2-in Wood to wood Deck Screws 12 -Per Box
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise these fasteners for exceptional holding strength and effortless installation across diverse projects. Reviewers consistently report outstanding performance in decks, railings, cabinetry, and heavy-duty applications, noting the non-threaded shank design creates tight, rigid joints with no movement. Many highlight smooth driving through thick lumber with impact drivers or standard drills, and appreciate the included driver bit. Users report these outperform traditional bolts and lag screws. While some mention the price is steep, most consider the reliability and performance well worth the investment for future projects.
Customer review summary generated by AI, including incentivized reviews.Best heavy-duty screws!
Would RecommendThe 4 1/2” and 6” screws have saved my life building a tiny house! They screw in easily and have a large head for the provided bit to make quick work out of any job needing added length and strength!
From 4-1_SLASH_2-in Black Ecoat Flat -Head Exterior Structural wood screws 12 -Pack Verified PurchaserSweepstakes
Strong Screws
Would RecommendRebuilt my front porch. These Structural Screws required no predrilling and really hold things tight.
From 4-1_SLASH_2-in Black Ecoat Flat -Head Exterior Structural wood screws 12 -Pack Sweepstakes
Excellent for tightening up your deck.
Would RecommendVery nice that it comes with the appropriate drill bit. Used them for tightening up my deck where the nails had begun to pop
From 4-1_SLASH_2-in Black Ecoat Flat -Head Exterior Structural wood screws 12 -Pack Sweepstakes
Predrilled holes in oak rafters and these screws worked great for anchoring a pull post.
From 4-1_SLASH_2-in Black Ecoat Flat -Head Exterior Structural wood screws 12 -Pack Verified PurchaserSweepstakes
Must have for decks
A little pricey but you will be glad you didnf try to.cut corners and not purchase being cheap
From 4-1_SLASH_2-in Black Ecoat Flat -Head Exterior Structural wood screws 12 -Pack Verified PurchaserSweepstakes
Strong Hold
Would RecommendThis is one of the best solution to connecting boards. The head is extra large so it will grab a lot of wood. It is sold in lengths that make sense and it the drill bit needed to install. I used the bit in my hammer drill and it was quick and easy. A solution I will use often in building. Far superior to a screw for critical joints.
From 4-1_SLASH_2-in Black Ecoat Flat -Head Exterior Structural wood screws 12 -Pack Verified PurchaserSweepstakes
Lags
Would RecommendDid a fantastic job. And I mean a great job of screwing into my house. I thought it would be too long but was perfect
From 4-1_SLASH_2-in Black Ecoat Flat -Head Exterior Structural wood screws 12 -Pack Verified PurchaserSweepstakes
Wood screws
Would RecommendUsed these to make a farmhouse king size bed. Work great for my project!
From 4-1_SLASH_2-in Black Ecoat Flat -Head Exterior Structural wood screws 12 -Pack Verified PurchaserSweepstakes
They’re anchor screws!
Would RecommendUsed these for extra security on the sill plate of my commercial shed against hurricanes. Nice big head and deep threads give great holding power! Easily driven with hammer driver.
From 4-1_SLASH_2-in Black Ecoat Flat -Head Exterior Structural wood screws 12 -Pack Verified PurchaserVerified Pro Sweepstakes
Wonderful great anchors
Would RecommendUsed to put two by threes on a wall held extremely well
From 4-1_SLASH_2-in Black Ecoat Flat -Head Exterior Structural wood screws 12 -Pack Verified PurchaserSweepstakes
Strong!
Would RecommendI must say that these are strong and easy to use definitely a good buy.
From 4-1_SLASH_2-in Black Ecoat Flat -Head Exterior Structural wood screws 12 -Pack Verified PurchaserSweepstakes
Star drive lag bolts
Would RecommendWorks very well for intended purpose. No slip driving with steady pressure
From 4-1_SLASH_2-in Black Ecoat Flat -Head Exterior Structural wood screws 12 -Pack Verified PurchaserSweepstakes
for handrail posts 4x4 on treehouse
Cant believe how easy and strong these things are. Used on my kids treehouse mansion handrails posts... I wanted to be super secure due to it being about 10 ft off the ground. My neighbor suggested these for ease of use and boy was he right. They are as strong as carriage bolts and way easier and quicker, just drive them in with a cordless impact..... no pilot holes needed. I nailed side boards beside the posts underneath to be safe but probably didnt even need them as these bolts are super ...
From 4-1_SLASH_2-in Black Ecoat Flat -Head Exterior Structural wood screws 12 -Pack Verified PurchaserSweepstakes