4-40X3/4 One Quarter Hex Female Standoff Brass Nickel HF30331 It also has a 6-lobe

It also has a 6-lobe flat head

This 10-32 x 1/4 slotted indented hex washer head machine screw is fully threaded and made of zinc

providing reliable and secure connections in various industries

8-32 x 5/16" Unslotted Indented Hex Washer Head Thread Cutting Screw

* Zinc plated for corrosion resistance

4-40X3/4 One Quarter Hex Female Standoff Brass Nickel HF30331 It also has a 6-lobeThe 4 40X3 4 One Quarter Hex Female Standoff Brass Nickel is a small, cylindrical shaped component used to elevate and secure printed circuit boards (PCBs) or other electronic components. It features a threaded female hex on one end, allowing it to be screwed into a mounting surface, and a solid brass body with a nickel plating for durability and corrosion resistance. The 3 4 inch length provides ample clearance between the PCB and the mounting