100pack M3 x 4mm Threaded Round Metal Knurl Thread Insert Nuts Brass Tone
Thread Size: M3x4mm/0.12″x0.16″(D*L); Product Name: Knurl Thread InsertsMaterial: Metal; Weight: 52gPackage Content: 100(+/-2%)Pcs Thread Inserts; Main Color: Brass ToneTotal Height: 4mm/0.16″Outer Diameter: 5mm/0.2″(Max.D).