M4-0.7 x 30mm DIN 965 Phillips Drive Flat Head Grade A2 Stainless Steel Machine Screw / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 0.7 MILLIMETERS NOMINAL FASTENER LENGTH: 30.0 MILLIMETERS NOMINAL HEAD STYLE: A41 FLAT TOP ELEVATOR INTERNAL DRIVE STYLE: B2 CROSS RECESS TYPE II NOMINAL THREAD DIAMETER: 4.0 MILLIMETERS PART NAME ASSIGNED BY CONTROLLING AGENCY: FLAT HEAD MACHINE SCREW SCREW MATERIAL: STEEL CORROSION RESISTING THREAD SERIES DESIGNATOR: M