(amda) New. Qty (100) PEM TFH-440-8ZI Non Flush Self Clinching Studs for Thin Sheets, 4-40 Threads. Specifications include: .500" length, .111" diameter hole, .020" minimum sheet thickness, and .219" minimum distance from center line to edge. Listing is for a lot of 100 pieces from the bulk package shown. Listing price includes FREE SHIPPING!!