Qualfast: 4-OCH-30 Blind Rivet Nut Cylindrical Open Serrated Shank BZP (BX-250) Blind Rivet Nut Cylindrical Open Serrated Shank Steel Zinc Plated 3 OCH 25 MPN: 4-OCH-30 Blind Rivet Nut Cylindrical Open Serrated Shank BZP (BX-250) Attributes: Box Quantity: 1 Drill Size: 6mm Grip range: 0.5 - 3.0mm Length: 11mm Material: Steel Product Type: Blind Rivet Nut Rivet Nut Diameter: M4 Surface Treatment: Zinc Plated