--- product_id: 209343877 title: "- 304 Stainless Steel Rectangular Bar, Unpolished (Mill) Finish, Annealed, ASTM A276, 1/8\" Thickness, 1-1/2\" Width, 36\" Length, Solid Metal Flat Bar for Fabrication & DIY - OnlineMetals" brand: "online metals" price: "AR$217454" currency: ARS in_stock: true reviews_count: 8 category: "Online Metals" url: https://www.desertcart.com.ar/products/209343877-304-stainless-steel-rectangular-bar-unpolished-mill-finish-annealed-astm store_origin: AR region: Argentina --- # 36" length for versatile projects 1/8" thickness for sturdy builds Grade 304 stainless steel resists rust - 304 Stainless Steel Rectangular Bar, Unpolished (Mill) Finish, Annealed, ASTM A276, 1/8" Thickness, 1-1/2" Width, 36" Length, Solid Metal Flat Bar for Fabrication & DIY - OnlineMetals **Brand:** online metals **Price:** AR$217454 **Availability:** ✅ In Stock ## Summary > 🛠️ Build Bold, Build Lasting — The Stainless Steel Bar That Means Business ## Quick Answers - **What is this?** - 304 Stainless Steel Rectangular Bar, Unpolished (Mill) Finish, Annealed, ASTM A276, 1/8" Thickness, 1-1/2" Width, 36" Length, Solid Metal Flat Bar for Fabrication & DIY - OnlineMetals by online metals - **How much does it cost?** AR$217454 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/209343877-304-stainless-steel-rectangular-bar-unpolished-mill-finish-annealed-astm) ## Best For - online metals enthusiasts ## Why This Product - Trusted online metals brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Industrial Standard:** Meets ASTM A276 specs, delivering professional-grade quality trusted by makers and pros alike. - • **Fabrication-Ready Flexibility:** Annealed mill finish allows easy cutting, welding, drilling, and light bending for custom creations. - • **Precision-Engineered Strength:** Solid 1/8" thick stainless steel bar built to last in demanding fabrication and DIY projects. - • **Consistent Rectangular Profile:** Uniform 1.5" width and flat faces guarantee precise layouts and repeatable results every time. - • **Corrosion-Resistant Durability:** Premium 304 stainless steel ensures your builds stay rust-free and pristine indoors or outdoors. ## Overview This 304 stainless steel rectangular bar features a robust 1/8" thickness, 1.5" width, and 36" length with an annealed mill finish. Engineered to ASTM A276 standards, it offers superior corrosion resistance and fabrication versatility, making it ideal for professional-grade structural, DIY, and industrial projects requiring precision, durability, and clean aesthetics. ## Description 304 Stainless Steel Rectangular Bar, Unpolished (Mill) Finish, Annealed, ASTM A276, 1/8" Thickness, 1-1/2" Width, 36" Length, Solid Metal Flat Bar for Fabrication & DIY - OnlineMetals: Stainless Steel Metal Raw Materials: desertcart.com: Industrial & Scientific Review: Great product - Great price, we'll packed in a thick tube. Nice piece or stainless for a project Review: Thick and heavy - Nice piece of metal, but much thicker and raw than expected ## Features - [304 SS FLAT/RECTANGULAR BAR | SIZE] Premium 304 stainless steel bar (aka stainless steel flat bar / flat steel bar) in 1/8" thickness x 1-1/2" width x 36" length. Solid flat metal bar/barstock—mill (unpolished) finish, annealed per ASTM A276 for reliable performance in shop, garage, or jobsite. - [STRENGTH & CORROSION RESISTANCE] 304 stainless steel resists rust and staining for indoor/outdoor fixtures, trim, frames, brackets, and support projects. Durable, machinable, weldable rectangular steel bar for structural tasks that need clean edges, flat faces, and consistent mill surface. - [FABRICATION‑READY | DIY & INDUSTRIAL] Cut, saw, drill, tap, grind, weld, or mill; form light bends (annealed = more formable) for mounting, bracket, rail, guard, plate, and fixture builds. Great raw metal for making prototypes, jigs, shims, spacers—ideal flat bar steel for custom parts and repairs. - [ACCURATE, VERSATILE STOCK] Consistent rectangular profile means easier layout and repeatability versus stainless steel strips or sheet; a true steel flat bar/metal flat bar you can square, clamp, and fixture. Use in equipment frames, hardware installs, panel edges, machine bases, and shop fabrication. - [SPEC | BRAND CONFIDENCE] Grade 304 stainless, ASTM A276, annealed, unpolished (mill) finish. Nominal size: 1/8" x 1-1/2" x 36" (0.125" x 1.5" x 36"). Trusted OnlineMetals quality rectangular steel flat—reliable steel bars stock for pros, makers, and serious DIY projects. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000H9JTQU | | Best Sellers Rank | #26,598 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Stainless Steel Bars | | Date First Available | August 5, 2006 | | Item Form | Bar | | Item Thickness | 0.13 Inches | | Item Weight | 2 pounds | | Item model number | B000H9JTQU | | Manufacturer | OnlineMetals | | Number of Items | 1 | | Package Dimensions | 36 x 1.5 x 0.2 inches | | Specification Met | Astm A276 | ## Product Details - **Brand:** Online Metals - **Color:** silver - **Item Diameter:** 1.5 Inches - **Material:** Stainless Steel - **Shape:** Rectangular ## Images ![- 304 Stainless Steel Rectangular Bar, Unpolished (Mill) Finish, Annealed, ASTM A276, 1/8" Thickness, 1-1/2" Width, 36" Length, Solid Metal Flat Bar for Fabrication & DIY - OnlineMetals - Image 1](https://m.media-amazon.com/images/I/41pLZKWEAvL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great product *by M***O on December 13, 2025* Great price, we'll packed in a thick tube. Nice piece or stainless for a project ### ⭐⭐⭐⭐⭐ Thick and heavy *by A***A on November 15, 2025* Nice piece of metal, but much thicker and raw than expected ### ⭐⭐⭐⭐⭐ Good peice of S/S flat bar. *by B***Y on December 2, 2025* Good peice of flat bar. Shipped in a heavy cardboard tube. Bought it for a project, but decided to go a different route. I always need metal. I'll find a use for it yet. ## Frequently Bought Together - 304 Stainless Steel Rectangular Bar, Unpolished (Mill) Finish, Annealed, ASTM A276, 1/8" Thickness, 1-1/2" Width, 36" Length, OnlineMetals - uxcell 304 Stainless Steel Flat Bar, 1/8" Thickness 1 3/16" Width 11 3/4" Length Brushed Finish Trim Strips Sheet for Kitchen DIY Craft Making - Tynulox 3Pcs 304 Stainless Steel Round Rod, 3/8" Diameter 12" Length Metal Solid Shaft Rods for Industry, Metal Working Hobbies and DIY Craft --- ## 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.com.ar/products/209343877-304-stainless-steel-rectangular-bar-unpolished-mill-finish-annealed-astm](https://www.desertcart.com.ar/products/209343877-304-stainless-steel-rectangular-bar-unpolished-mill-finish-annealed-astm) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-10-03*