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All Categories > Plastic Knobs > Knurled Knobs > Press-On Knurled Thumbscrews > Flat Top Press-On Knurled Knobs > View Items  
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Flat Top Press-On Knurled Knobs

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These efficient knobs can be pressed onto a socket head cap screw thereby creating an instant thumbscrew.  This unique design creates  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.  Colors are available upon request.  Minimums apply.  Contact sales regarding your Press-On knob requirements today at 800-566-2774 or email


To be used on 1960 Series Alloy and Stainless Socket Head Cap Screws.

**1000 piece minimum on colored knobs.

Press-On Thumbscrews can be purchased with or without socket head cap screw assembled.


Press On Thumb Screw FAQs
(PDF, 66KB)

  Results 1 - 6 of 6 1 

Item #





N1 .312" Press-On Knurled Knob .31" .19" .28" .13"
N2 .375" Press-On Knurled Knob .38" .23" .36" .17"
N3 .50" Press-On Knurled Knob .50" .25" .41" .18"
N4 .625" Press-On Knurled Knob .63" .25" .42" .17"
N5 .75" Press-On Knurled Knob .75" .31" .50" .17"
N6 1" Press-On Knurled Knob 1.00" .41" .59" .27"
  Results 1 - 6 of 6 1 
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