Flange: Body diameter (φ): 0.2 inches (4 mm); Bottom hole diameter (φ): 0.1 - 0.1 inches (4.1 - 4.2 mm); Flange: Body length: 0.5 inches (13.9 mm); Brim diameter: 0.3 inches (8 mm); Suitable clamping plate thickness: MIN to max: 0.2 inches (6.48 mm) Quantity: 300