4-40X15/16 One Quarter Hex Standoff Aluminum Female BPUB which means that the head

which means that the head is flat on the bottom and has a slight undercut on the top

8 x 10 JISB 1111 Class 4

These 8-18 x 1/2 Phillips flat self-drilling screws are made of zinc-plated steel for durability and corrosion resistance

The nylon insert ensures a tight grip on the mating threads

4-40X15/16 One Quarter Hex Standoff Aluminum Female BPUB which means that the headThe 4 40X15 16 One Quarter Hex Standoff Aluminum Female is a small, cylindrical spacer used to elevate and secure components in electronic assemblies. It features: * **Material:** Aluminum, providing strength and durability * **Thread Size:** 4 40 UNC, compatible with 4 40 screws * **Length:** 15 16 inch (0. 9375 inch), providing a specific height for component spacing * **Female Thread:** Internally threaded to receive 4 40 screws * **Hex Head:**