Double Star Threaded Caster Insert In Heat Treated Steel Fits 2 Inch Square Tube 16-18 Gauge With 3/8-16 Thread Pack Of 4 For Secure Replacements And Flush Finishes Compatible With Stemmed Casters And Heavy Duty Furniture Projects

Heat-Treated Double Star Caster Inserts for 2-Inch Tubes
✔️ 3/8-16 thread, fits 2in square tubing 16-18ga, 4-pack

These heat-treated steel caster inserts are designed to be embedded in 2-inch square tubing or legs, providing a deep-set, secure connection for threaded casters in industrial, commercial, and residential applications.

✅ Thread size: 3/8-16
✅ Fits 2in square tubing (16-18 ga)
✅ Hardened heat-treated steel construction
✅ Deep-set, flush-fitting double star design

💡 What is a common use case for caster inserts in square tubing? A handy solution for securing casters in metal frames like carts, workbenches, and mobile racks. - Securely anchors caster stems in square tubing - Deep-set design minimizes wobble and slip - Provides flush fit for clean edge appearance - Compatible with 3/8-16 threaded casters