1/4X.47-.54 Water Resistant Countersunk Structural Rivet Zinc (Pack Qty 2,000) BC-L64195K

The double-locking system ensures that the mandrel remains tightly fitted within the rivet body, rendering it highly resistant to vibration and water. The internal friction system with differential force load provides maximum clamp-up without deforming the materials being gripped. This rivet is designed for heavy industrial use, including automotive, commercial vehicles, buses, railway cars, farm equipment and electrical engineering All Aluminum variety: Rivet body: 5052 aluminum; Mandrel- Aluminum Almg 6.0 or equivalent. All Steel variety: Rivet body- Low carbon steel with zinc yellow chromate; Mandrel- Carbon steel with zinc yellow chromate