1/4-20x1-3/4" Flat Head Socket Cap Screws, 10.9 Grade Carbon Steel, 50PCS 3.175mm convenient to confirm the flow

convenient to confirm the flow of liquid

Inner Diameter: 22mm

grinding of non-ferrous metals

* Granularity: 600/1500 Grits

1/4-20x1-3/4" Flat Head Socket Cap Screws, 10.9 Grade Carbon Steel, 50PCS 3.175mm convenient to confirm the flowDescription: [Material] Made of 10. 9 grade carbon steel, it has high strength, rust resistance, oxidation resistance, and corrosion resistance, which can ensure long term use. [Advantage] Hexagonal socket head type, uniform force is not easy to slip, easy to use. Suitable for replacing old bolts at any time. [Application] Widely used in woodworking and DIY jobs, the repair industry and power industry, aerospace industry, office equipment industry,