Ratings & Reviews for GRK Fasteners R4 #12 x 5-5/8-in Polymer Exterior Multi-material screws 600 -Per Box
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise these screws for exceptional holding power, self-drilling capability, and durability in demanding wood projects. Reviewers consistently highlight their superior grip strength, ability to drive without pre-drilling, and resistance to stripping with the Torx bit design. Many emphasize reliable performance in treated lumber, fencing, and structural applications where other fasteners fail. The screws' robust construction and ease of installation significantly reduce labor time. A few mention cost concerns and rare instances of stripping with certain materials, though most consider them worth the investment. Overall, reviewers strongly recommend these screws for heavy-duty applications.
Customer review summary generated by AI, including incentivized reviews.Worked well
Would RecommendThey worked well. I accidently broke the package in the store but the screws were solid and did their job
From R4 #12 x 5-5_SLASH_8-in Polymer Exterior Multi-material screws 50 -Per Box Verified Purchaser
Worked well
Would RecommendThey worked well and were the same size driver as the smaller ones so you don’t have to keep changing bits.
From R4 #12 x 5-5_SLASH_8-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...
Great product
From R4 #12 x 5-5_SLASH_8-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...
Extra long, work well.
Would RecommendThese work great when you need extra long screws on your project
From R4 #12 x 5-5_SLASH_8-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...
screws
worked well on my deck project
From R4 #12 x 5-5_SLASH_8-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...
They are there to stay
Would RecommendPerfect for secures larger boards and I even used them to secure a tree swing
From R4 #12 x 5-5_SLASH_8-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...
Does the job
Would RecommendEase of use
From R4 #12 x 5-5_SLASH_8-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...
Heavy duty, product.
Would RecommendI love this product for any wood or fence project,.
From R4 #12 x 5-5_SLASH_8-in Polymer Exterior Multi-material screws 50 -Per Box Verified Purchaser
Hi there- thank you for reaching out. Your input and support are greatly appreciated. We will try to continue to make good product to maintain that s...
Cheap material strips easily
About a third of the screws stripped trying to attach wood pallets. Garbage.
From R4 #12 x 5-5_SLASH_8-in Polymer Exterior Multi-material screws 50 -Per Box Verified Purchaser
Hi, Drew. Thank you for sharing your feedback. We are sorry to hear that your experience with our product did not match your expectations. Please fee...
#12 x 5-5_SLASH_8-in Polymer Exterior Wood Screws
Would RecommendFrom R4 #12 x 5-5_SLASH_8-in Polymer Exterior Multi-material screws 50 -Per Box Verified Purchaser
GRK products
Excellent product! Why has Lowe’s diminished its inventory of GRK products. All the new stuff you’re bringing in is junk.
From R4 #12 x 5-5_SLASH_8-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...