--- product_id: 69975806 title: "ITW Brands 23416 575PC 9X1-5/8 Backer-ON, 1.625 inches" brand: "itw brands" price: "288.70 DT" currency: TND in_stock: false reviews_count: 8 url: https://www.desertcart.tn/products/69975806-itw-brands-23416-575pc-9x1-5-8-backer-on-1 store_origin: TN region: Tunisia --- # 575 screws per pack T-25 star drive for one-handed use Climacoat corrosion-resistant finish ITW Brands 23416 575PC 9X1-5/8 Backer-ON, 1.625 inches **Brand:** itw brands **Price:** 288.70 DT **Availability:** ❌ Out of Stock ## Summary > 🔧 Screw it right, screw it tight—your project’s secret weapon! ## Quick Answers - **What is this?** ITW Brands 23416 575PC 9X1-5/8 Backer-ON, 1.625 inches by itw brands - **How much does it cost?** 288.70 DT with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/69975806-itw-brands-23416-575pc-9x1-5-8-backer-on-1) ## Best For - itw brands enthusiasts ## Why This Product - Trusted itw brands brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Flush & Secure:** Serrated flat heads ensure screws sit flush for a sleek, professional finish every time - • **Bulk Power Pack:** 575 precision-engineered screws ready to tackle any project without pause - • **Optimized Strength:** Steel construction with 250-350 lbs shear strength delivers reliable hold for demanding applications - • **Effortless Installation:** Star drive with T-25 bit enables smooth, one-handed fastening—speed meets control - • **Weatherproof Durability:** Climacoat finish guards against corrosion, perfect for outdoor and high-moisture environments ## Overview The ITW Brands 23416 Backer-ON screws come in a massive 575-piece pack, featuring a corrosion-resistant Climacoat finish and a star drive with T-25 bit for efficient one-handed installation. Designed with serrated flat heads for flush seating and crafted from durable steel, these 1.625-inch cement board screws deliver reliable strength and long-lasting performance, ideal for both indoor and outdoor professional projects. ## Description ITW Brands 23416 575PC 9X1-5/8 Backer-ON, 1.625 inches, No Color Review: Great quality - Perfect for outdoor use. This product comes with a driver bit. Review: Great product - Heads on screws held up ## Features - Quantity: 575-per pack - Serrated head for flush seating - Climacoat corrosion resistant finish - Star drive with T-25 bit for one-handed installation ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B076B64J5T | | Best Sellers Rank | #244,248 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,631 in Wood Screws | | Brand | ITW BRANDS | | Color | No Color | | Compatible groove diameter | 0.16 Inches | | Date First Available | October 9, 2017 | | Department | Unisex-Adult | | Exterior Finish | Epoxy | | Fastener Size | 1.625 inches or 1 5/8 inch | | Fastener Type | Cement Board Screws | | Global Trade Identification Number | 00092097234161 | | Head Style | Flat | | Head Type | Flat | | Is Discontinued By Manufacturer | No | | Item Diameter | 1.63 Inches | | Item Weight | 0.16 ounces | | Item model number | 23416 | | Manufacturer | ITW BRANDS | | Material | Steel | | Maximum Shear Strength | 250-350 pounds | | Metal Type | Fiber Coated | | Number of Pieces | 575 | | Point Style | Flat Point | | Set Name | 575PC | | Set Screw Thread Type | Non-standard (Coarse-fine) | | Size | 1.625 inches | | Thread Class | 3B | | Thread Coverage | Partially Threaded | | Thread Size | #9 | | Thread Style | Right Hand | | Thread Type | Coarse-fine (Non-standard) | | UPC | 092097234161 | ## Product Details - **Exterior Finish:** Epoxy - **Head Style:** Flat - **Item dimensions L x W x H:** 5.5 x 4.5 x 5.2 inches - **Material:** Steel - **Thread Size:** #9 ## Images ![ITW Brands 23416 575PC 9X1-5/8 Backer-ON, 1.625 inches - Image 1](https://m.media-amazon.com/images/I/41PyUiyRb3L.jpg) ![ITW Brands 23416 575PC 9X1-5/8 Backer-ON, 1.625 inches - Image 2](https://m.media-amazon.com/images/I/7169Uuh1xaL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: If Backer-on screws are good for wet conditions such as shower enclosures, why aren't they approved for exterior use?** A: I’ve used backer on screws for the exterior. If you look under epoxy coated screws they are very corrosive resistant and recommended for exterior although I will say that ceramic coated I believe her better. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great quality *by D***T on December 22, 2025* Perfect for outdoor use. This product comes with a driver bit. ### ⭐⭐⭐⭐⭐ Great product *by C***S on January 28, 2026* Heads on screws held up ### ⭐⭐⭐⭐⭐ More than enough *by K***A on March 31, 2023* Didn't have to leave and go get, even have extra left. Did the Job just fine. ## Frequently Bought Together - ITW Brands 23416 575PC 9X1-5/8 Backer-ON, 1.625 inches - DGSL Tile Leveling System with Tile Plier - 300-Piece Tile Spacers Clips and 100-Piece Reusable Wedges - Tile Tools Set for Stone Installation (1/8 Inch Tile Spacers) - SuperiorBilt Adhesive Fiberglass Backeboard Joint Alkali Resistent Mesh Construction Tape 2" x 50' --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/69975806-itw-brands-23416-575pc-9x1-5-8-backer-on-1](https://www.desertcart.tn/products/69975806-itw-brands-23416-575pc-9x1-5-8-backer-on-1) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-06-03*