ITEM: 1/213, Grade 188 Stainless Steel, Self Sealing Hex Bolt MSC INDUSTRIAL. MANUFACTURER: MSC INDUSTRIAL. BRAND: MSC Industrial. MANUFACTURER PART: ST1/213X11/4. 1/213, Grade 188 Stainless Steel, Self Sealing Hex Bolt Passivated, 11/4 Length Under Head, Silicone O Ring, UNC Thread (MOQ1, Pkg Qty5)CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Self Sealing Fasteners. Self Sealing Hex Bolts. N/A. TOTAL RECYCLED CONTENT: 10.00%. POSTCONSUMER RECYCLED CONTENT: 1.00%. KEYWORDS: MSC IndustrialSelf Sealing FastenersSelf Sealing Hex BoltsN/AN/A.