Unique Bargains Self -Clinching Nuts,#4-40x0.1-Inch Carbon Steel Rivet Nut Round Head Steel Metal Sheet Mounting Fastener 50pcs

Size: #4-40 x 0.1-Inch||Material: Carbon Steel with Zinc Plating||Outer Diameter(Max): 0.25"; Outer Diameter(Min): 0.16"; Length: 0.1"||Suitable for a 0.1" thick mounting plate, the mounting hole diameter is about 0.17.||Perfect for applications where a thin sheet requires load-bearing threads but still must remain smooth, with no protrusions on either surface.