--- product_id: 14975954 title: "National Hardware Slotted Steel Angle Iron with Holes 1-1/2 in x 48 in Galvanized Metal Bracket for Garage Door Opener Mounting Frame Construction Building Projects" brand: "national hardware" price: "50216CFA" currency: XOF in_stock: true reviews_count: 13 category: "National Hardware" url: https://www.desertcart.sn/products/14975954-national-hardware-slotted-steel-angle-iron-with-holes-1-1 store_origin: SN region: Senegal --- # Weather-tested for extreme conditions 1.5" x 48" slotted steel angle Galvanized corrosion-resistant finish National Hardware Slotted Steel Angle Iron with Holes 1-1/2 in x 48 in Galvanized Metal Bracket for Garage Door Opener Mounting Frame Construction Building Projects **Brand:** national hardware **Price:** 50216CFA **Availability:** ✅ In Stock ## Summary > 🛠️ Build Bold, Last Long – The Steel Angle That Means Business ## Quick Answers - **What is this?** National Hardware Slotted Steel Angle Iron with Holes 1-1/2 in x 48 in Galvanized Metal Bracket for Garage Door Opener Mounting Frame Construction Building Projects by national hardware - **How much does it cost?** 50216CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/14975954-national-hardware-slotted-steel-angle-iron-with-holes-1-1) ## Best For - national hardware enthusiasts ## Why This Product - Trusted national hardware brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Legacy Quality:** Over a century of National Hardware innovation ensures premium performance - • **Precision Slotted Design:** Effortless mounting and versatile attachment for any project - • **Durable Galvanized Finish:** Built to resist rust and corrosion indoors and out - • **Robust 1.5" x 48" Steel Angle:** Strong structural support for frames, benches, and equipment stands - • **Weather-Resistant Reliability:** Tested to withstand harsh environments, from salty air to heavy rain ## Overview The National Hardware 4020BC Slotted Steel Angle is a 1.5" by 48" galvanized steel angle designed for versatile mounting and construction needs. Featuring a corrosion-resistant finish and slotted design, it offers easy attachment and durability for both interior and exterior projects. Tested to endure extreme weather, this steel angle is ideal for garage door openers, frames, workbenches, and equipment stands, backed by over 100 years of trusted manufacturing excellence. ## Description Product Description Designed for mounting garage door openers, building frames, tables, work benches, equipment stands and for many repair and construction projects. Slotted for easy attachment. Corrosion-resistant galvanized finish. Comes in multiple size options for every project need. Tested and verified to withstand extreme weather conditions . From the Manufacturer Whether for home, farm, builder or industrial customers, National has all the right hardware in the sizes and finishes you need. With over a century of service National is committed to maintaining the highest level of product quality, innovation and manufacturing technology. Quality metal sheets and rod both threaded and smooth for all for your construction projects. Plated steel has increased resistance to corrosion thanks to its zinc-plated and galvanized finishes. Perforated tubes, slotted flats and angles, smooth rods and threaded rods are among the top popular plated steel products. This galvanized finish offers corrosion resistance for products used where corrosive elements, such as salt air, are present. Review: Great - Nice and strong Review: solid heavy gauge steel - Really solid heavy gauge steel. Flawless zinc coating. I buy these instead of going to big box store. ## Features - CONSTRUCTION: Heavy-duty galvanized steel angle iron with holes provides superior corrosion resistance for mounting garage door openers, building frames, tables, work benches, and equipment stands in both interior and exterior applications. - DIMENSIONS: 1-1/2 in x 48 in slotted angle iron construction offers versatile mounting solutions with pre-drilled holes for easy attachment and secure fastening in residential, commercial, and industrial projects. - DURABILITY: Zinc-plated galvanized finish withstands extreme weather conditions and corrosive elements like salt air, ensuring long-lasting performance for outdoor construction and repair applications. - VERSATILITY: Multi-purpose angle iron with holes design accommodates diverse mounting needs including garage door hardware, equipment stands, workbench construction, and structural framing applications. - INSTALLATION: Slotted design with pre-positioned holes enables quick and efficient attachment using standard hardware, reducing installation time while providing reliable structural support for various construction projects. - QUALITY: National Hardware brand ensures over a century of manufacturing excellence with color-coded labeling system for easy identification, backed by proven innovation and superior product standards. - Manufactured from galvanized steel - Designed for mounting garage door openers, building frames, tables, work benches, equipment stands, etc. - Slotted for easy attachment ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0027E3JYG | | Best Sellers Rank | #38,599 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #257 in Hardware Brackets | | Brand | National Hardware | | Brand Name | National Hardware | | Color | Galvanized | | Customer Reviews | 4.7 out of 5 stars 310 Reviews | | Finish Type | Galvanized | | Finish Types | Galvanized | | Global Trade Identification Number | 00038613180086 | | Item Depth | 1.5 inches | | Item Dimensions | 48 x 2 x 2 inches | | Item Type Name | Stanley National Hardware N180-083 4020BC Slotted Angle in Galvanized, 1-1/2" x 48" | | Item Weight | 2.2 Pounds | | Item dimensions L x W x H | 48 x 2 x 2 inches | | Manufacturer | National Hardware | | Manufacturer Part Number | N180083 | | Material | Metal | | Material Type | Metal | | Model Number | N180-083 | | Mounting Type | Door Mount | | UPC | 038613180086 | | Unit Count | 1.0 Count | ## Product Details - **Material:** Metal - **Brand:** National Hardware - **Item dimensions L x W x H:** 48 x 2 x 2 inches - **Color:** Galvanized - **Shape:** Rectangular ## Images ![National Hardware Slotted Steel Angle Iron with Holes 1-1/2 in x 48 in Galvanized Metal Bracket for Garage Door Opener Mounting Frame Construction Building Projects - Image 1](https://m.media-amazon.com/images/I/6170gdhKGwL.jpg) ![National Hardware Slotted Steel Angle Iron with Holes 1-1/2 in x 48 in Galvanized Metal Bracket for Garage Door Opener Mounting Frame Construction Building Projects - Image 2](https://m.media-amazon.com/images/I/91Oh5L19yHL.jpg) ![National Hardware Slotted Steel Angle Iron with Holes 1-1/2 in x 48 in Galvanized Metal Bracket for Garage Door Opener Mounting Frame Construction Building Projects - Image 3](https://m.media-amazon.com/images/I/51U7uqb+y0L.jpg) ![National Hardware Slotted Steel Angle Iron with Holes 1-1/2 in x 48 in Galvanized Metal Bracket for Garage Door Opener Mounting Frame Construction Building Projects - Image 4](https://m.media-amazon.com/images/I/51gyMLoX6ML.jpg) ![National Hardware Slotted Steel Angle Iron with Holes 1-1/2 in x 48 in Galvanized Metal Bracket for Garage Door Opener Mounting Frame Construction Building Projects - Image 5](https://m.media-amazon.com/images/I/71N6-5ioLfL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: What gauge is the Metal?** A: As per National Hardware, this item is 0.074 inch thick which is 14 gauge. **Q: How big are the holes in this product?** A: The holes are 5/16" and the slots are 5/16" x 9/16" **Q: Can this be used to mount rock guard skirt on back of rv?** A: Likely not rigid enough for this service. I bought this for a stationary rack. **Q: Where can I buy this in bulk quantities?** A: Home Depot ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great *by J***M on July 14, 2025* Nice and strong ### ⭐⭐⭐⭐⭐ solid heavy gauge steel *by C***S on April 2, 2026* Really solid heavy gauge steel. Flawless zinc coating. I buy these instead of going to big box store. ### ⭐⭐⭐⭐⭐ Because the don't mention the hole size... *by J***N on February 13, 2026* Hole size is 5/16" diameter. I purchased two to hang my garage ceiling rack. Just be aware that you won't get identical hole placement so plan accordingly. And why Amazon would you ship the two pieces I purchased in two separate boxes? Oh that's right it's because your Amazon. ## Frequently Bought Together - National Hardware 4020BC Slotted Steel Angle, 1-1/2 by 48-Inch, Galvanized - (10 Sets) 1/4-20x1" Stainless Steel Hex Head Screws Bolts, Nuts, Flat & Lock Washers, 18-8 (304) S/S, Fully Threaded by Bolt Fullerkreg - National Hardware N341-123 4021BC Slotted Angle in Galvanized,1-1/4" x 36" --- ## 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.sn/products/14975954-national-hardware-slotted-steel-angle-iron-with-holes-1-1](https://www.desertcart.sn/products/14975954-national-hardware-slotted-steel-angle-iron-with-holes-1-1) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-05-31*