#6-20 x 3/4" Phillips Drive Flat Head Zinc Finish #2 Point Steel Self-Drilling Screw / FASTENER LENGTH: 0.750 INCHES NOMINAL HEAD STYLE: C50 FLAT COUNTERSUNK HEAD DIAMETER: 0.238 INCHES MINIMUM AND 0.262 INCHES MAXIMUM PILOT LENGTH: 0.190 INCHES NOMINAL POINT STYLE: F31 SELF-DRILLING INTERNAL DRIVE STYLE: D3 CROSS RECESS TYPE III END ITEM IDENTIFICATION: 01-567-4930 NOMINAL THREAD DIAMETER: 0.138 INCHES THREAD QUANTITY PER INCH: 20 COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL