Metric Socket Head Cap Screw System of Measurement Metric Cylindrical Basic Material Steel Material Grade Class 12.9 M3-0.50 Length 20 mm Fastener Finish Black Oxide Fastener Thread Type Metric Coarse Drive Type Hex Socket Drive Size 2.5 mm Thread Style Fully Threaded Thread Direction Right Hand Min. Thread Length 20 mm Thread Length 20 mm Head Height 3 mm Thread Dia. M3 Package Quantity 100
