Monster Fastener Galvanized Grade 2 / A307 Carriage Bolts Tie Downs 3" x 5" solar panel

3" x 5" solar panel for maximum charging power with 16' cord

National Hardware's 1" x 72" Rectangular Bar is designed for reinforcement

Made from proprietary steel and heat-treated to control hardness

Tri-Metal Diffusion Bonding provides heat resistance & prevents breakage of the full-carbide heat for maximum life & productivity

Monster Fastener Galvanized Grade 2 / A307 Carriage Bolts Tie Downs 3" x 5" solar panelA carriage bolt has a domed or countersunk head, and the shank is topped by a short square section under the head. The square section grips into the part being fixed (typically wood), preventing the bolt from turning when the nut is tightened. Diameter: 5 16" Length: 3 1 2" Material: Steel Finish: Hot Dip Galvanized Head Style: Carriage Thread Size: 18 (Coarse) Thread Length: Full Hardness: Grade 2 A307 Type: Carriage Bolt Square Depth: 3 16"