M4X12 14583-A2 6-LOBE PAN HD / THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 12.0 MILLIMETERS NOMINAL HEAD STYLE: C33 PAN NO. 2 HEAD DIAMETER: 7.8 MILLIMETERS NOMINAL HEAD HEIGHT: 2.9 MILLIMETERS NOMINAL INTERNAL DRIVE STYLE: D24 TORX PART NAME ASSIGNED BY CONTROLLING AGENCY: SCREW, PAN HEAD SPECIAL FEATURES: SCREW TAP SIZE: M4 X 0.7 COLOR: BLACK OVERALL MATERIAL: STEEL OVERALL SURFACE TREATMENT: OXIDE OVERALL THREAD SERIES DESIGNATOR: M