Unistrut P1012S is a heavy-duty spring nut designed for 5/8"-11 threaded rods. Manufactured from electro-galvanized steel per ASTM B633 Type III SC1 standards, this nut is compatible with Unistrut channels P1000, P1100, P2000, and P3000. Ideal for applications that require quick, secure, and adjustable fastening within channel support systems.