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Square Tube Metal Frame Connectors, 1-Inch, Multi-Angle Joint System for DIY Construction and Custom Frames (3 Way Corner) SET OF 4

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Product details

Management number 221598167 Release Date 2026/05/03 List Price US$7.90 Model Number 221598167
Category

Transform your construction, HVAC, or set design projects with these heavy-duty metal tube connectors designed specifically for 1” square tubing. These professional-grade frame connectors eliminate the need for welding while delivering strong, secure joints for custom metal structures. Manufactured from durable cast aluminum, these connectors are compatible with stainless steel, aluminum, or standard steel tubing. The modular system allows you to create shelving systems, workstations, display fixtures, and custom structural frames quickly and efficiently. Each connector is engineered for square, stable alignment and fast assembly using pre-drilled holes and M8 grub screws. Whether building permanent installations or temporary frameworks, these connectors provide strength, flexibility, and ease of use.

  • Versatile Applications VERSATILE DESIGN OPTIONS: Includes multiple connector types such as straight joints, corner pieces, T-connectors, and base plates for flexible frame configurations.
  • Heavy-Duty Construction DURABLE CAST ALUMINUM CONNECTORS: Made from strong cast aluminum for long-lasting performance in HVAC installations, store fixtures, workbenches, theater sets, and custom projects.
  • Easy Assembly FAST TOOL-BASED ASSEMBLY: Features pre-drilled holes and M8 grub screws for secure connections. Self-drilling screws included for additional fastening support.
  • Material Compatibility COMPATIBLE WITH 1” SQUARE TUBING: Works with stainless steel, aluminum, or standard steel square tubing (tubing sold separately) for robust structural builds.
  • DESIGN FLEXIBILITY: Multiple connector types included - straight joints, corner pieces, T-joints, and base plates for versatile construction options
  • Core Value BUILD STRONG FRAMES WITHOUT WELDING: Create sturdy metal structures using 1” square tubing without the need for welding equipment. Ideal for DIY builders and professionals.
UPC 850068789245
Size 1 Inch
Color Silver
Set Name SET OF 4
Brand Name Olukai Designs LLC
Unit Count 4.0 Count
Manufacturer Rostek Innovations
Model Number RTK-4Crn-1Sq
Material Type Alloy Steel
Connector Type Connector
Exterior Finish Aluminum
Item Dimensions 2.25 x 2.25 x 1.25 inches
Included Components Metal Connectors, 4x Self drilling Screws, Grub Screws
Manufacturer Part Number RTK-4Crn-1Sq

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