... , construction equipment hydraulic industry and etc.1. Material Available: Copper, Brass, Aluminum, Stainless Steel, Steel alloy, etc.2. Specification: OEM, according ... ,stamping etc.5. Equipment: CNC lathe, automatic lathe, hand lathe, thread rolling machine, tapping drilling machine etc.6. Surface Treatment: Plating ... at:Tel: 86-757-26385090 TM: changzedianqi Custom Parts with Screw Thread