All Categories > Hand Knobs > Metal Knobs > Tapped Through Imperial Knurled Control Knobs > Advanced Search Advanced Search in Tapped Through Imperial Knurled Control Knobs Unit of Measure Imperial Metric Both Dimensions Knob Diameter (A) (in) No Preference 3/4 1 1-1/2 2 2-1/2 3 Thread Size No Preference 1/2-13 1/2-20 1/4-20 1/4-28 10-24 10-32 3/4-10 3/4-16 3/8-16 3/8-24 5/16-18 5/16-24 5/8-11 5/8-18 Total Length (B) (in) No Preference 5/8 3/4 1 1-1/8 1-1/2 1-3/4 Hub Diameter (C) (in) No Preference 1/2 5/8 3/4 1 1.50 1-3/4 Knurled Width (D) (in) No Preference 1/4 5/16 3/8 9/16 5/8 Clear Cancel Advanced Search