Material and Durability: Duratec SFB carbon steel construction delivers high wear resistance and long blade life in professional shop environments
Head design: Large flat head with a square neck under the head to prevent turning as the nut is tightened
Ready to streamline your next workflow
a bulk-grade fastener designed for dependable performance in metal assembly projects
Toggle-end design enables rapid connection to posts and anchors
#4-40 X 3/16" Machine Screws | Pan Head | Six Lobe Drive | Steel Black Oxide (10000/Pkg.) No. 4 Material and Durability: Duratec SFBEngineered for dependable fastening, our Machine Screws Six Lobe Pan Steel Black Ox 4 40X3 16 deliver secure, high precision performance for electronics, machinery, and precision assemblies. Built with a six lobe drive, these screws provide improved torque control and reduced cam out in tight spaces, compared to traditional slotted fasteners. The pan head provides a low profile, wide bearing surface for flush seating, making them ideal for components