A4 COUNTERSUNK GROOVED METRIC RIVET NUTS Countersunk Head Round Knurled Body Blind Rivet Nut A4 Standard Metric threads ABCD M10 21MM 16MM 1.7MM M4 12MM 9MM 1.5MM M5 13MM 10MM 1.5MM M6 15.5MM 12MM 1.5MM M8 18.5MM 14MM 1.5MM Additional specs -... £0.59 (Inc. VAT) £0.49 (Ex. VAT) Choose Options Compare