M10-1.5 x 20mm ISO 7380 Hex Drive Class 10.9 Zinc Finish Alloy Steel Button Socket Cap Screw / THREAD DIRECTION: RIGHT-HAND HEAD STYLE: C1 HEXAGON WIDTH BETWEEN FLATS: 6.0 MILLIMETERS NOMINAL NOMINAL THREAD DIAMETER: 1.50 INCHES PART NAME ASSIGNED BY CONTROLLING AGENCY: METRIC BUTTON HEAD SOCKET CAP SCREW SURFACE TREATMENT: ZINC OVERALL THREAD SERIES DESIGNATOR: UNC