Socket Set Screw Head Type Square System of Measurement Metric Thread Size M12-1.75 mm Overall Length 20 mm Fastener Length 20 mm Drive Type External Square Material Steel Material Grade/Class Class 8 Finish Black Oxide Pack Size Small Pack Dimensional Standards DIN 479 Head Height 12 mm Head Width 13 mm Manufacturer Location Globally Sourced Maximum Temperature 302 Degrees F Minimum Temperature -58 Degrees F Package Quantity 50