Knurled knobs w/ key drives are the perfect alternative for applications requiring ab exposed hex drive. Choose any socket head cap screw in a #4 up to a 5/16" thread pitch to be inserted into the knob via mass pressure for a secure fit. Please note, due to the insert bury of either 3/32" or 1/8", actual stud lengths may vary slightly.
Unit of Measure

Knob Diameter (A)

N/A .50"