ITEM: 5/811 UNC, 3 Length Under Head, Hex Drive Flange Bolt MSC INDUSTRIAL. MANUFACTURER: MSC INDUSTRIAL. BRAND: MSC Industrial. MANUFACTURER PART: 822793MSC. 5/811 UNC, 3 Length Under Head, Hex Drive Flange Bolt 11/2 Thread Length, Grade 8 Alloy Steel, Smooth Flange, Phosphate & Oil Finish (MOQ1, Pkg Qty1)CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Bolts, Screws & Cap Screws. Flange Bolts. N/A. TOTAL RECYCLED CONTENT: 10.00%. POSTCONSUMER RECYCLED CONTENT: 1.00%. KEYWORDS: MSC IndustrialBolts, Screws & Cap ScrewsBoltsFlange BoltsN/A.