Ratings & Reviews for GRK R4 #10 x 3-1/2-in Polymer Exterior Multi-material screws 1200 -Per Box
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise these screws for exceptional strength, holding power, and ease of use. Reviewers consistently highlight superior performance with no stripping, a star-type drive system that outperforms traditional designs, and self-starting capability requiring no pre-drilling. Many describe them as the strongest screws they've used, reliably fastening wood in demanding applications from decks to framing without loosening. Users appreciate the smooth insertion, ability to remove and reuse without damage, and versatility across indoor and outdoor projects. Most consider them their go-to choice, with many keeping extra packs on hand. A few mention higher cost, though most justify it through reduced frustration and superior performance. Overall, reviewers strongly recommend these screws for both professional and DIY applications.
Customer review summary generated by AI, including incentivized reviews.Great store pick
Would RecommendGreat
From R4 #10 x 4-in Polymer Exterior Multi-material screws 50 -Per Box Verified Purchaser
These screws grab and bite like a 10 foot croc!
Would RecommendI bought these to use on a lean to on my shed. The bite these screws had was impressive. Easy to start and drove in with ease. No splitting with any shot which is a first for me.
From R4 #10 x 4-in Polymer Exterior Multi-material screws 50 -Per Box Verified Purchaser
Hi there, thanks for sharing your positive experience with our R4 Screws. We work hard to make sure our products are well designed. We’d love to have...
Strong screws
Would RecommendVery good screws , use on any wood.
From R4 #10 x 2-1_SLASH_2-in Polymer Exterior Multi-material screws 240 -Per Box Verified Purchaser
Hi there, thanks for sharing your positive experience with our R4 Screws. We work hard to make sure our products are well designed. We’d love to have...
Works great
Would RecommendI bought these to fix my fence. They did the job they were supposed to do. Seem to be sturdy.
From R4 #10 x 4-in Polymer Exterior Multi-material screws 50 -Per Box Verified Purchaser
Hi there, thanks for sharing your positive experience with our R4 Screws. We work hard to make sure our products are well designed. We’d love to have...
More protected than ever before!
Would RecommendI bought this just a few weeks ago and am so happy I did. I used these to strengthen the locks and hinges on my front and back door. These screws will help make it more difficult for intruders to enter my home. The length of depth into the wood around my doors is much deeper and because of this it will be harder for an intruder to enter. I feel safer and more protected in my home now. The screws penetrated the wood with out cracking or splintering the wood. I would recommend these screws to anyo...
From R4 #10 x 3-1_SLASH_8-in Polymer Exterior Multi-material screws 70 -Per Box Verified Purchaser
Hi there, thanks for sharing your positive experience with our R4 Screws. We work hard to make sure our products are well designed. We’d love to have...
Great product
Hard ti find anything that beats GRK screws!
From R4 #10 x 4-in Polymer Exterior Multi-material screws 150 -Per Box Verified Purchaser
Hi there, thanks for sharing your positive experience with our R4 Screws. We work hard to make sure our products are well designed. We’d love to have...
Great screw for projects.
Would RecommendGreat. Easy to use. Didn’t strip. Didn’t need to predrill.
From R4 #10 x 2-1_SLASH_2-in Polymer Exterior Multi-material screws 240 -Per Box Verified Purchaser
Hi there, thanks for sharing your positive experience with our R4 Screws. We work hard to make sure our products are well designed. We’d love to have...
Great
Great
From R4 #10 x 2-1_SLASH_2-in Polymer Exterior Multi-material screws 80 -Per Box Verified Purchaser
Hi there, thanks for sharing your positive experience with our R4 Screws. We work hard to make sure our products are well designed. We’d love to have...