... )Process:Precision Forging 3)Surface:Shot-peening 4 Lug or 5 Lug or 6Lug or 8Lug Aluminium Alloy Billet Wheel Hub ... . 4) Thickness: 10, 15, 20, 25, 26, 30, 35mm. 5) Hole: 4 lug, 5 lug, 6 lug, 8lug. 6) type:form A: single ... red, blue, purple,etc. 8) bolts and nuts: M12x1. 5, M14x1. 5, etc. 9) fitting: tough hardened steel wheel studs 10)Certification ...