Rackmount screws for 10-32 tapped/threaded use include Phillips finish and truss heads, Robertson square head and Torx Star post security heads. Screws for square punched applications include 12-24 and 6mm Phillips pan head as well as full selection of 10-32 screws when used with cage nuts. 10-32 screws feature PilotPoint tip and captive washer for time-saving installation. They have 5.1 hardness for durable performance. Screws for square punched rail use have separate washer and install using cage nuts.