M16-1.5 x 30mm DIN 961 Class 10.9 Zinc Finish Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 30.0 MILLIMETERS NOMINAL FASTENER LENGTH: 30.0 MILLIMETERS NOMINAL HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 9.7 MILLIMETERS MINIMUM AND 10.2 MILLIMETERS MAXIMUM WIDTH BETWEEN FLATS: 24.0 MILLIMETERS MAXIMUM END ITEM IDENTIFICATION: 2590-01-618-5030 NOMINAL THREAD DIAMETER: 16.0 MILLIMETERS THREAD PITCH IN MILLIMETERS: 1.5 EXTERNAL THREAD TOLERANCE CLASS: 6G PART NAME ASSIGNED BY CONTROLLING AGENCY: METRIC, FINE THREAD HEX CAP SCREW CLASS 10.9 MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL THREAD SERIES DESIGNATOR: M