Yinpecly 20Pcs M3x30mm Hex Socket Head Machine Screws Carbon Steel Inner Hex Socket Round Head Screw Fasteners Furniture Bolts Black Tone

Size: 5.7x30mm/0.22"x1.18"(DxH); Inner Hex Dia: 2.08mm /0.08"
Round head machine screws, hex socket drive. Metric machine screws for universal use.
Carbon steel hex socket round head screw used extensively where fasten is needed.
High Quality: Carbon Steel makes it rust resistance and corrosion resistance allows you to use them for a long time.
Widely used in wind power industry, the aerospace industry, office equipment industry, petrochemical industry, the electronics industry, the communications industry, ship building industry, environmental protection machinery, etc.

Hello,