Part of the ZaGO Sealing Screw Series, the MilSpec Pan Head Screws are durable screws that meet military requirement & are suitable for commercial use. The ZaGO MS3212 Screw and the MS3213 Screw are offered in a wide variety, perfect to meet your application & device requirements. KEY FEATURES • Milspec Pan Head Screws • Multi-Use • High Quality ZaGO MilSpec Pan Heads Screws offer a range of Military Seal Screws, in combination with a choice of "O" ring seal materials.