Spring Nut For Use With Studs Threaded Screws Finish Phosphate Material Steel For Screw Size #10 Thickness 0.031 in System of Measurement Inch Overall Length 3/4 in Overall Width 1/2 in Application For Sheet Metal and Thread Forming Screws Dimensional Standards SAE 1050 Pack Size Small Pack Push Nut Type Flat Steel Spring Nut Rockwell Hardness C40 to C50 Package Quantity 100