{"product_id":"angle-slot-corner-connector-2020-3030-4040-aluminum-profile","title":"Aluminum Angle Slot Corner Connector 2020 3030 4040 Profile 2\/4Pcs","description":"\u003ch2\u003eAngle Slot Corner Connectors for 2020, 3030 \u0026amp; 4040 Aluminum Profiles\u003c\/h2\u003e\n\u003cp\u003eUpgrade your aluminum extrusion builds with these precision-crafted \u003cstrong\u003eAngle Slot Corner Connectors\u003c\/strong\u003e. Designed to fit 2020, 3030, and 4040 T-slot aluminum profile systems, these die-cast aluminum brackets deliver rock-solid right-angle joints for frames, enclosures, door frames, panel installations, and DIY workstation builds. Whether you're assembling a CNC frame, a 3D printer enclosure, or a custom workshop fixture, these corner codes provide reliable, secure connections every time.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Fits 2020, 3030, and 4040 aluminum extrusion profiles — versatile across a wide range of DIY and fabrication projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDie-Cast Aluminum Construction:\u003c\/strong\u003e High-strength aluminum alloy ensures durability and long-lasting structural integrity under regular use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSandblasted Surface Finish:\u003c\/strong\u003e Smooth, matte sandblasted finish resists corrosion and gives a professional, clean look.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecure Slot-Lock Design:\u003c\/strong\u003e Slides into the T-slot groove and locks firmly in place using the included top set screw — no drilling required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2 or 4 Pack Options:\u003c\/strong\u003e Choose the quantity that suits your project needs — great for both small repairs and larger structural builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes Hardware:\u003c\/strong\u003e Each bracket comes with a top set screw (grub screw) for immediate installation right out of the box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDie-Cast Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurface Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSandblasting\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Profiles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2020, 3030, 4040 T-Slot Aluminum Extrusion\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 or 4 pcs corner brackets + top set screws\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 or 4 × Corner Groove Fixing Bracket\u003c\/li\u003e\n  \u003cli\u003eIncluded: Top set screw(s) for each bracket\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAluminum frame fabrication for 3D printers and CNC machines\u003c\/li\u003e\n  \u003cli\u003ePanel and board installation on extrusion frame systems\u003c\/li\u003e\n  \u003cli\u003eDoor frame and enclosure corner joining\u003c\/li\u003e\n  \u003cli\u003eWorkbench, shelving, and workshop fixture assembly\u003c\/li\u003e\n  \u003cli\u003eDIY furniture and custom project builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Multi-Functional Caulking \u0026amp; Grout Tools\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-multi-use-faucet-bubbler-wrenches-6-sizes-sink-wrenches-detach-tool-for-kitchen-bathroom-faucet-parts-repair-spanner\"\u003e1PC Multi-Use Faucet Bubbler Wrench – 6-Size Repair Spanner Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/4pcs-self-adhesive-multi-purpose-small-handle-household-cabinet-push-pull-accessories-door-and-window-auxiliary-handle\"\u003e4PCS Self-Adhesive Multi-Purpose Cabinet \u0026amp; Door Window Handles\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Are these angle slot connectors compatible with standard 2020, 3030, and 4040 aluminum extrusion profiles?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! These corner slot connectors are designed specifically to fit standard 2020, 3030, and 4040 T-slot aluminum extrusion profiles. The slot-lock design allows them to slide directly into the groove channel and be secured with the included set screw, ensuring a snug, right-angle fit for your frame or build.\u003c\/p\u003e\n\u003ch4\u003eQ: Do the connectors come with mounting hardware?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. Each corner groove fixing bracket includes a top set screw (grub screw), so you can begin installation immediately without needing to source additional fasteners.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between the 2-pack and 4-pack options?\u003c\/h4\u003e\n\u003cp\u003eA: The only difference is quantity. The 2-pack is ideal for smaller repairs or single-joint connections, while the 4-pack provides enough brackets for a full corner assembly or multiple joints in a larger frame build. Both packs include the corresponding number of set screws.\u003c\/p\u003e\n\u003ch4\u003eQ: What material are these corner connectors made from?\u003c\/h4\u003e\n\u003cp\u003eA: These connectors are made from die-cast aluminum with a sandblasted surface finish. This combination delivers high structural strength, resistance to everyday wear, and a clean, professional appearance that complements aluminum extrusion builds.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Are these angle slot connectors compatible with standard 2020, 3030, and 4040 aluminum extrusion profiles?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! These corner slot connectors are designed specifically to fit standard 2020, 3030, and 4040 T-slot aluminum extrusion profiles. 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