Hygienic Hex Nut Nut Overall Height 18 mm Nut Material Grade 316L Nut Material Finish Bright (Uncoated) Standards EHEDG Certified FDA Compliant RoHS For Environment Hygienic System of Measurement Metric Nut Material Stainless Steel Thread Size M10 Thread Depth 12 mm Collar Diameter 21 mm Washer Outside Diameter 21.8 mm Hex Width 16 mm Seal Material EPDM Seal Material - Maximum Temperature 120 Degrees C Seal Material - Minimum Temperature -40 Degrees C