Torx plus? M3 Metric Screw
terminology - What do the numbers in screw sizes M3, M4 etc. mean This has nothing to do with location (countries). This is just standard nomenclature for metric screws as opposed to imperial sizes. tnknepp. – The hard drive uses 6-32 isolation mounting guide screws, eight of which are installed on the hard drive bracket under the access panel. All other drives use M Essential tools for 3D printing, Tuba Nut,brass threaded inserts #3dprinting #Utilitytools #tools ...