These efficient knobs can be pressed onto a socket head cap screw thereby creating an instant thumbscrew. This unique design fastens the cap screw to the knob head for a secure fit without any need for glue or adhesive. Press-On knobs come in a variety of knob styles. They are also available in a female through hole thumb nut version. Colors are available upon request. Minimums apply. Contact sales regarding your Press-On knob requirements today at 800-566-2774 or email
sales@knobsource.com.
*SNAPS ON TO A SOCKET HEAD CAP SCREW***1000 piece minimum on colored knobs.
Press On Thumbscrews can be purchased with or without socket head cap screws assembled. If you are going to self assemble, fixtures to hold the knob for your punch press or hydraulic press are available for purchase. 
