Thru-hole Threaded Standoffs - Types SO, SOA, SOS - Metric: Utilizing the reliable self-clinching design, these standoffs offer easy installation by simply squeezing them into appropriately sized round holes in thin sheets. Made to last, PEM® brand thru-hole threaded standoffs ensure a secure and permanent mount with their flush head design on one surface of the mounting sheet. Ideal for a wide range of applications, these standoffs provide dependable support and stability in various industrial settings.