Bolts with reduced shank DIN 2510-3 With nuts DIN 2510-5 Studs with reduced shank DIN 2510-4 With sleeves Bolts with reduced shank DIN 2510-3 With sleeves Material: 1.7218 / 25CrMo4 With WAZ/APZ 3.1/3.2 certificates Inquiry as per file in attachment