Description:Size&Package: Material: Carbon Steel; Color: Zinc Color; Surface Treatment: Color Zinc-Plated; Thread Length: 12mm/0.47 inch; Overall Size: 20 x 10mm/0.79 x 0.39 inch(L*W); Head Diameter: 16.5mm/0.65 inch; Nut Size: 17 x 12.8 x 7.8mm/0.67" x 0.5" x 0.31"(OD*W*H); Package: 10Pcs x Flanged Hex Head Bolts, 10Pcs x Nuts. Wide Application - This flange screw kit is widely used in mechanical industry and light industry, such as repair and fastening of precision machinery, classification instruments, electronic products, household appliances and communication products.Installation - The flange bolt assembly consists of flange bolts and flange nuts. First, put the bolts into the bolt holes of the flange, then put them into the bolts, and finally tighten them with a standard wrench, or socket wrench.
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