All Categories > Hand Knobs > Metal Knobs > Tapped Metric Knurled Control Knobs > Advanced Search Advanced Search in Tapped Metric Knurled Control Knobs Unit of Measure Imperial Metric Both Dimensions Knob Diameter (A) (mm) No Preference 19 25 38 51 64 76 Thread Size No Preference M5 M6 M8 M10 M12 M16 M20 Total Length (B) (mm) No Preference 16 19 25 29 38 44 Hub Diameter (C) (mm) No Preference 13 16 19 25 38 44 Knurled Width (D) (mm) No Preference 6 8 10 14 16 Thread Depth (E) (mm) No Preference 10 13 16 19 25 Technical Specs Material Stainless Steel Steel Clear Cancel Advanced Search