Lock Nut Finish Zinc Plated Material Steel Material Grade/Class Grade 2 Thread Size 3/4 In.-16 Hex Width 1 1/8 in Hex Height 13/32 in Lock Type Nylon Insert System of Measurement Inch Hex Type Standard Hex Thread Direction Right Hand Insert Material Nylon Maximum Temperature 250 Degrees F Pack Size Small Pack Rockwell Hardness C28 Max Package Quantity 25