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๐ค Screw it right, screw it tight โ durability that sticks with you!
These #8 x 4 inch drywall screws are precision-engineered from high-grade 1022a carbon steel with a black phosphate finish for superior corrosion resistance. Featuring coarse, fully threaded shafts and flat Phillips heads, they deliver a flush, secure fit across wood, plastic, and soft metals. Ideal for professional-grade drywall, furniture assembly, and general repairs, this 40-pack combines rugged durability with lifetime guaranteed reliability.



| Asin | B0CR6C13XL |
| Best Sellers Rank | #10,818 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #93 in Wood Screws |
| Brand | Kuprowin |
| Color | Black |
| Compatible Groove Diameter | 0.16 inches |
| Customer Reviews | 4.6 4.6 out of 5 stars (358) 4.6 out of 5 stars |
| Drive System | Phillips |
| Exterior Finish | Black Phosphate |
| Fastener Size | #8 x 4 inch |
| Fastener Type | Wood Screws |
| Finish Types | Black Phosphated |
| Grade Rating | Grade 5+ |
| Head Type | Flat |
| Item Diameter | 0.16 inches |
| Manufacturer | Leytonda |
| Material Type | Carbon Steel |
| Metal Type | Carbon Steel |
| Number Of Items | 40 |
| Number Of Pieces | 40 |
| Outside Diameter | 0.16 inches |
| Part Number | ZGWS0809 |
| Screw Head Style | Flat |
| Screw Point Style | Self-Tapping |
| Set Name | 40-Piece #8 x 4 Inch Drywall Wood Screws Set |
| Set Screw Thread Type | UNC |
| Size Name | #8 x 4" - 40pcs |
| Thread Class | Coarse |
| Thread Coverage | Fully Threaded |
| Thread Size | #8 |
| Thread Style | Right Hand |
| Unit Count | 40 Count |
User
Quality product
Excellent
User
Exactly as advertised works very well
Just what I needed replaced worn out drywall anchors that were pulling out of the wall these grabbed the wood behind the drywall and anchored very securely plan on upgrading my shorter wood screws in my front door latch plate and deadbolt plate for a more secure hold
User
Good product, but better quality control is required
Although these were exactly what I was needing, I had to throw 8 of the 40 away. They were bent (warped) out of the box. Better quality control is required. Was still able to complete my project, however.
User
Exactly what was needed
Exactly what was being looked for by my husband. Theyโre sharp, theyโre strong, theyโre the color he was looking for and the perfect size.
User
For added strength to my doors.
Replacing the short screws found on most doors with these longer, stronger screws is cheap insurance. I use them on the striker plates, even replacing at least one on each hinge, will make it much harder for a burglar to kick in the door. I had replaced the two short stock sticker plates with a one piece model. This added more strength to the latch and deadbolt. Longer screws allows you you to go deeper into the doors frame where there is more wood. Tips if you do this; drilling a small pilot hole will make it much easier to drive these longer screws. Spraying inside the hole, and screw with WD-40 reduces friction.
User
They screw
They are sharp and screw into wood easily. I used them to fix some boards on my fence that were put on with nails. I'll update my review after they've been on awhile if they rust and stain the fence.
User
Well made.
Well made and perfect size for 3/4" plywood.
User
Good length and thread pitch for drywall
These worked perfect for my ceiling panel I had to put back up and screw in
Trustpilot
1 month ago
2 days ago