This 5" x 5" modular steel angle square is built for precision 90° setups in tight or compact layouts. Machined flat and square on all faces, it features relieved interior corners—allowing the square to seat properly even when working around tack welds or slightly imperfect joints. Ideal for small assemblies, jigs, or constrained workspace applications, this square provides the stability of solid steel in a compact footprint. Tapped 1/4-20 holes allow users to attach custom flanges or fixtures if additional clamping width is needed. Whether you're building frames, aligning parts, or squaring up fixtures, this square delivers the accuracy and modular compatibility expected in a professional setup. Highlights: 5" x 5" format — ideal for small-to-medium fixturing or tight workspaces Relieved corners — ensure proper seating even around welds or irregularities Fully machined steel construction — flat, square, and solid under pressure 1/4-20 tapped holes — for optional user-installed flanges or extensions Black zinc plating — clean, protective, and shop-ready Explore More: Visit the ArcFlat product page to find matching clamps, bolts, and accessories for a complete modular fixturing system.
