M3-0.5 x 6mm DIN 963 Slotted Drive Flat Head Zinc Finish Steel Machine Screw / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 6.0 MILLIMETERS NOMINAL FASTENER LENGTH: 6.0 MILLIMETERS NOMINAL HEAD STYLE: A39 FLAT COUNTERSUNK HEAD DIAMETER: 5.3 INCHES MINIMUM AND 5.6 INCHES MAXIMUM INTERNAL DRIVE STYLE: B10 SLOT NOMINAL THREAD DIAMETER: 3.0 MILLIMETERS THREAD PITCH IN MILLIMETERS: 0.50 COUNTERSINK ANGLE: 90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM SCREW MATERIAL: STEEL SPECIAL FEATURES: SLOT RECESS IS 0.86MIN/1.0MAX WIDE AND 0.6MIN/0.85 MAX DEEP THREAD SERIES DESIGNATOR: M