Ratings & Reviews for GRK R4 #10 x 4-3/4-in Polymer Exterior Multi-material screws 800 -Per Box
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise these screws for exceptional strength, secure holding power, and reliable performance across woodworking and outdoor projects. Reviewers consistently highlight the star-shaped drive head that prevents stripping, easy installation without pre-drilling, and self-starting design that outperforms traditional alternatives. Many report long-term brand loyalty, using them for decks, fences, framing, and repairs for over 20 years. A few mention the higher price point as a drawback, but nearly all customers consider them worth the investment for durability and frustration-free performance.
Customer review summary generated by AI, including incentivized reviews.Construction screw
Good
From R4 #10 x 4-in Polymer Exterior Multi-material screws 150 -Per Box Verified Purchaser
Nothing.
Would RecommendThe screws performed exactly as expected.
From R4 #10 x 3-1_SLASH_8-in Polymer Exterior Multi-material screws 70 -Per Box Verified Purchaser
Solid construction screws
Would RecommendGreat for sistering in ceiling joist
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...
Good value
Would RecommendWorks as advertised
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...
Quick and fast!
Would RecommendDidn’t split the wood as designed!
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...
Ok
Would Not RecommendOk
From R4 #10 x 3-1_SLASH_8-in Polymer Exterior Multi-material screws 210 -Per Box Verified Purchaser
Came with a bit
Would RecommendDid the job
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...
These screws are what you'd expect
Would RecommendGood quality
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...
Work as the should
Would RecommendWork as they should
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 fasteners
Would RecommendThese are great fasteners that work for just about every job. I bought them in all dofferent sizes and use them for anything from woodworking, to framing, to repairs around the home. They have a great non-slip star drive, and do a nice job of pulling pieces together as you tighten the fastener. Highly recommend.
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...
Best bang for your buck!
Would RecommendGreat screws not a single one broke or stripped out
From R4 #10 x 4-in Polymer Exterior Multi-material screws 150 -Per Box Verified Purchaser
Work great
Would RecommendUsed a bunch of these on a recent project and they worked very well
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 follow us on Instagram/Facebook @grkfasteners, to get a shout out or be the fir...
superior product.
Would RecommendI liked that it was high quality, the design of the screw is better with the different section at the top that I think allows it to grip better than what I've seen of standard deck screws that are a long flat section only. It also comes with a star driver
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...
They are great screws and would recommend
Would RecommendI liked it
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...
Buy from a bulk dealer not small packages
Would Not RecommendThey are good but expensive
From R4 #10 x 4-in Polymer Exterior Multi-material screws 50 -Per Box Verified Purchaser
Hi there - thank you for sharing your positive experience with our GRK R4 Screws. We work hard to make sure our products are well designed.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...
It's just a screw. Nothing magical.
Would RecommendVery good structural screw. I used these to secure attic door frame to the house joists. The shear rating for these screw was highly recommended by Gemini AI, so I went with it. They are pricier than other brands, so you can choose based on your application, and risk vs cost.
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...