... be applied to the product upon request 3.Material:aluminum Metal Casting PartsSpecifications:1. Size: 1 3/4"D* 2.5 ... , aluminium alloy, and etc.3. Process technics: Die casting--CNC--Deburring--Discontamination--Powder Spray Other technics available: CNC cutting ... , CNC grinding, casting, cold die casting, Tapping, Polishing, Sand blasting, Oil spouting,4. ...