Screw, Socket Head Cap 4-40 UNC-3A x 1/2″, Center Vented, 18-8 Stainless Steel, Silver Plated $4.22 Screw, Socket Head Cap 4-40 UNC-3A x 1/2", Center Vented, 18-8 Stainless Steel, Silver Plated quantity Add to cart SKU: C -408-A-WO-20228-9 Additional information Additional information Weight 0.003200 lbs