Hygienic Cap Nut w/Washer Nut Overall Height 11.1 mm Minimum Temperature -20 Degrees C Maximum Temperature 100 Degrees C Nut Material Grade 316L Nut Material Finish Bright (Uncoated) Includes Seal Washer Standards EU 10/2011 FDA RoHS For Environment Hygienic Cap Type Standard Crown System of Measurement Metric Nut Material Stainless Steel Thread Size M4 Thread Depth 4.8 mm Collar Diameter 10 mm Seal Height 2 mm Washer Outside Diameter 11.25 mm Hex Width 7 mm Seal Material POM