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 sales@knobsource.com.

*SNAPS ON TO A SOCKET HEAD CAP SCREW*

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.
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Hole Mates To:

N1 .312" Press-On Knurled Knob N/A 0.31 in N/A 0.19 in N/A 0.28 in N/A 0.13 in N/A #4 #6
N2 .375" Press-On Knurled Knob N/A 0.38 in N/A 0.23 in N/A 0.36 in N/A 0.17 in N/A #6 #8
N3 .50" Press-On Knurled Knob N/A 0.50 in N/A 0.25 in N/A 0.41 in N/A 0.18 in N/A #10 #8 M4
N4 .625" Press-On Knurled Knob N/A 0.63 in N/A 0.25 in N/A 0.42 in N/A 0.17 in N/A #10 #8 M5
N5 .75" Press-On Knurled Knob N/A 0.75 in N/A 0.31 in N/A 0.50 in N/A 0.17 in N/A #10 1/4 M6
N6 1" Press-On Knurled Knob N/A 1 in N/A 0.41 in N/A 0.59 in N/A 0.27 in N/A #10 1/4 5/16 M5 M6 M8
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