M8-1.25 x 16 A2 Stainless Steel DIN 316 Wing Screw / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 16.0 MILLIMETERS NOMINAL FASTENER LENGTH: 16.0 MILLIMETERS NOMINAL HEAD STYLE: C89 WING NO. 4 WIDTH BETWEEN FLATS: 39.0 MILLIMETERS NOMINAL END ITEM IDENTIFICATION: 5865-01-537-5531 NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS THREAD PITCH IN MILLIMETERS: 1.2 EXTERNAL THREAD TOLERANCE CLASS: 6G PART NAME ASSIGNED BY CONTROLLING AGENCY: METRIC WING SCREW MATERIAL: STEEL COMP 302 OVERALL THREAD SERIES DESIGNATOR: M