Back Home / Fasteners / HEX FLANGE NUT METRIC ZINC M12-1.75 SERRATED HEX FLANGE NUT METRIC ZINC M12-1.75 SERRATED SKU: XFN12M10 Category: Fasteners A flange nut has a wide flange at one end that acts as an integrated washer. The flange serves to distribute the pressure of the nut over the part being secured. Less likely to loosen as a result of an uneven fastening surface. Serrated. Size: M12-1.75. Class 10.9 Case Quantity: 100 Log In For Pricing