Metal Channel, 12 Gauge, Slotted, Pre-Galvanized Zinc Plated, 1-5/8 x 7/8 x 8', Global Industrial, Mfr#: 713139

Secure attachments may be made to the framing member with the use of hardened, toothed, slotted nuts which engage the inturned edges and provide superior strength. Pre-Galvanized Zinc Plated has a continuous slot with inturned edges. The pregalvanized zinc coating conforms to a G-90 thickness designation per ASTM A653. The zinc thickness is .75 MIL or .45 oz./sq. ft. of surface area.