ITEM: 18 UNC, 23/4 Length Under Head Hex Head Cap Screw MSC INDUSTRIAL. MANUFACTURER: MSC INDUSTRIAL. BRAND: MSC Industrial. MANUFACTURER PART: IHCS1000275CG. 18 UNC, 23/4 Length Under Head Hex Head Cap Screw Fully Threaded, Grade 5 Steel, Hot Dipped Galvanized Finish, 11/2 Hex (MOQ1, Pkg Qty1)CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Bolts, Screws & Cap Screws. Hex Head Cap Screws. N/A. TOTAL RECYCLED CONTENT: 10.00%. POSTCONSUMER RECYCLED CONTENT: 1.00%. KEYWORDS: MSC IndustrialBolts, Screws & Cap ScrewsHex Head Cap ScrewsN/AN/A.