Lock Nut Finish Plain Hex Height 4 3/32 mm Hex Type External Tooth Lock Washer Hex Width 7 mm Lock Type Lock Nut with External Tooth Lock Washer Material Stainless Steel Material Grade/Class 18-8 Pack Size Small Pack Rockwell Hardness - System of Measurement Metric Thread Direction Right Hand Thread Pitch 0.7 mm Thread Size M4-0.70 Package Quantity 50