M4 BLIND RIVET NUTS GROOVED SHANK OPEN END COUNTERSUNK HEAD 4mm Ø
ZINC PLATED BLIND RIVET NUTS CYLINDRICAL GROOVED SHANK OPEN END COUNTERSUNK HEAD. Blind Rivet Nuts Cylindrical Grooved Shank Open End - Countersunk Head. Countersunk head used for flush head setting requiring countersink in application.