🔧 Screw smarter, not harder—power through projects with ITW’s pro-grade precision!
The ITW Brands 23416 Backer-ON screws come in a massive 575-piece pack, featuring a 1.625-inch length and a serrated flat head for flush seating. Equipped with a T-25 star drive for efficient one-handed installation, these premium-grade steel screws boast a Climacoat epoxy finish for superior corrosion resistance, making them ideal for durable wood fastening tasks.
| Material | Steel |
| Drive System | Torx |
| Head Style | Flat |
| Exterior Finish | Epoxy |
| Thread Size | #9 |
| Point Style | Flat Point |
| Metal Type | Fiber Coated |
| Brand | ITW BRANDS |
| Color | No Color |
| Head Type | Flat |
| Item Weight | 4.54 g |
| Thread Type | Coarse-fine (Non-standard) |
| Thread Coverage | Partially Threaded |
| Fastener Type | Cement Board Screws |
| Grade Rating | Premium |
| Set Screw Thread Type | Non-standard (Coarse-fine) |
| Thread Style | Right Hand |
| Thread Class | 3B |
| Fastener Size | 1.625 inches or 1 5/8 inch |
| Size | 1.625 inches |
| Item Diameter | 1.63 Inches |
| Compatible groove diameter | 0.16 Inches |
| Maximum Shear Strength | 250-350 pounds |
| Number of Pieces | 575 |
| UPC | 092097234161 |
| Global Trade Identification Number | 00092097234161 |
| Manufacturer | ITW BRANDS |
| Part Number | 23416 |
| Item Weight | 0.16 ounces |
| Country of Origin | USA |
| Item model number | 23416 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Cutting Diameter | 1.63 Inches |
| Measurement System | Imperial |
| Usage | Wood |
| Included Components | Hardware; Fasteners & Hooks;self-drilling-screws |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | Warranty |
G**G
Good for shower install
Well made and exactly what you need to install cement board for a fully waterproof shower.
K**A
More than enough
Didn't have to leave and go get, even have extra left. Did the Job just fine.
A**R
Really? A screw review?
Ok. So great product, penetrates cement board easily, grabs the wood structure well. What more can you want for a screw?
N**T
great stuff!
only used about 1/4 of the box for the bathroom remodel.. but these things are great around the garage!
C**Y
Would buy again
They worked great for our shower repairs.
J**J
Hardie Backer Screws
These are great for hardie board. With a impact drill they go in easily. They come with the torx #25 that you need to screw them in.
R**D
Just what you expected
Double check for star drive
S**L
Comes with impact bit
Like that it came with a bit to use in my impact screwdriver.
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