Hygienic USIT Knob Handle Type T Handle Handle Material 316L Stainless Steel Mounting Type Internal Threads Thread Size M8 Base Dia 17.80 mm Overall Height 41.20 mm Screw Length 12.00 mm Overall Length 75.3 mm Tap Type Blind Hole Standards RoHS Thread Type Metric Features Easy Cleaning is Ensured The Complete Surface is Polished to a high Gloss with a Surface Finish of Ra 0.8 micron m This means that Dirt and Impurities can Hardly Adhere