we offer Flat Center Bolt. * Form: Flat type * Application: MAN truck * Sizes: As per the attached PDF file or as per customer requirement * Thread: I.S.O. metric (fine & rough) * Material: EN 8, EN 8D, AISI 1035-45, EN 15, AISI 1541 * I.S.O. material strength grade: 6.8, 8.8, 10.9 * Surface treatment: autoblack & oiled, phosphated & oiled, clear (blue) zinc electroplate