Steel, .020” to .080”, 8-32, 50 pcs. Klik Poly-Nuts allow bolts and machine screws to be used in sheet metal when access to the back side is not possible. There is only one length per thread size. Poly-nuts are plated steel and are designed with flush mount heads. 8-32 Thread Size 1/4” Drill Size 50 ct 47425 No -