Threaded Insert Nuts Hex-Flush M4 Internal Threads 8mm Length 20pcs - M4x8mm-20pcs
$7.99
Internal Thread Size: M4; Nut External Diameter: 8mm/0.31"; Length: 8mm/0.31"; Applicable Drill Size: 6mm/0.24" Material: Zinc alloy material, color zinc finish, oxidation resistance, good toughness, corrosion resistance.