Qualfast: M8 Spot Weld Nut Spot Weld Nuts, Metric, Steel. MPN: M8 Spot Weld Nut Attributes: Box Quantity: 1000 Flange Dimensions: 26 x 18mm Height: 10mm Material: Steel Number Of Welding Spots: 4 Surface Treatment: Plain System of Measurement: Metric Thread: Metric Thread Direction: Right Thread Size: M8