... . Specification: OEM, according to customers' drawing or sample.3. Precision: +/-0.01mm4. Processing: turning, milling, drilling,casting,stamping etc.5. Equipment ... : CNC lathe, automatic lathe, hand lathe, thread rolling machine, tapping drilling machine etc.6. Surface Treatment: Plating ... :Tel: 86-757-26385090 TM: changzedianqi Custom Parts with Screw Thread