M12-1.75 x 45.0mm OAL 10.9 Cylinder Head & Manifold Double End Stud / THREAD DIRECTION: RIGHT-HAND NUT THREAD A THREAD DIRECTION: RIGHT-HAND NUT THREAD B THREAD LENGTH: 28.86 MILLIMETERS MINIMUM NUT THREAD A AND 31.14 MILLIMETERS MAXIMUM THREAD LENGTH: 13.86 MILLIMETERS MINIMUM NUT THREAD B AND 16.14 MILLIMETERS MAXIMUM OVERALL LENGTH: 44.2 MILLIMETERS MINIMUM AND 45.8 MILLIMETERS MAXIMUM END ITEM IDENTIFICATION: 3930-01-599-9978 NOMINAL THREAD SIZE: 12.0 MILLIMETERS NUT THREAD A NOMINAL THREAD SIZE: 12.0 MILLIMETERS NUT THREAD B THREAD PITCH IN MILLIMETERS: 1.75 NUT THREAD A THREAD PITCH IN MILLIMETERS: 1.75 NUT THREAD B THREAD TOLERANCE CLASS: 6G EXTERNAL NUT THREAD A THREAD TOLERANCE CLASS: 6G EXTERNAL NUT THREAD B PART NAME ASSIGNED BY CONTROLLING AGENCY: STUD,M12-1.75X45 DOUBLE END MATERIAL: STEEL PROPERTY CLASS 10.9 MATERIAL DOCUMENT AND CLASSIFICATION: SAE J1199 GRADE 10.9 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE SURFACE TREATMENT: PHOSPHATE ZINC OVERALL THREAD SERIES DESIGNATOR: M NUT THREAD A THREAD SERIES DESIGNATOR: M NUT THREAD B