... ;4.8mm;4mm 4.Use:RG6,RG59,RG58,RG56... 1. hose connector, hose fitting 2.made according to customer's drawings or samples ... or sample.3. Precision: +/-.01mm4. Processing: turning, milling, drilling etc.5. Equipment: CNC lathe, automatic lathe, hand lathe, thread rolling machine ... trained the technical know-how spot check before shipping. Brass connector