Studs DIN 939 M12F0 X 35MM L, OVERALL LENGTH 50MM STUD BOLT, WITHOUT INTERFERENCE FIT THREADS. X22CRMOV12-1+QT1 Quantity 50, 100, 200 and 300 M12 X 1.75-6H HEX NUT ISO 4032 21CRMOV5-7+QT Quantity 50, 100, 200 and 300 Include certificate 3.1