Cheese Head Machine Screws with Torx Drive Size M6x16, M6x20 Assorted supply with cage nuts, clip nuts for electronic facilities and network servers 1. ZP, YZP, brass, bronze, Darcomet, Nickle plating options 2. Head Style: pan head, csk head, button head, flat head 3. Material options: SS302, SS410, SS304, SS316 4. Full production range: Thread Size M5 to M8 length from 10mm to 60mm. 5. Standard or customized ANSI/SAE Grade 2, 5, 8 DIN class 6.8, 8.8, 10.9, 12.9