PEM® brand self clinching nuts, 3/8-16 UNC thread for steel sheet. Sold in bags of 100, ideal for prototyping. Image is representative of range 3/8-16-1 Self Clinching Nut Zinc (pack Of 20 5 Self Clinch Nuts | Buckeye Fasteners 3/8-16-1 Self Clinching Nut Zinc (pack Of 20 4 Full Size: 3/8-16-1 Diameter: 3/8 Threads Per Inch: 16-1 U.O.M.: Imperial Technical Resources Nutsclinch.pdf 3/8-16-1 Self Clinching Nut Zinc (pack of 20) Self-clinching Nuts And Standoffs Solutions, High Quality Self-clinching Nuts And Standoffs A round, internally threaded, one-piece fastener with a shank protruding from the internal circumference, and a knurled clinching ring surrounding the shank.