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.
Unit of Measure
Items
Press On Thumbscrews Group - Black

N1 .312" Press-On Knurled Knob

Press On Thumbscrews Group - Black

N2 .375" Press-On Knurled Knob

Press On Thumbscrews Group - Black

N3 .50" Press-On Knurled Knob

Press On Thumbscrews Group - Black

N4 .625" Press-On Knurled Knob

Press On Thumbscrews Group - Black

N5 .75" Press-On Knurled Knob
A N/A 0.31 in N/A 0.38 in N/A 0.50 in N/A 0.63 in N/A 0.75 in
B N/A 0.19 in N/A 0.23 in N/A 0.25 in N/A 0.25 in N/A 0.31 in
C N/A 0.28 in N/A 0.36 in N/A 0.41 in N/A 0.42 in N/A 0.50 in
D N/A 0.13 in N/A 0.17 in N/A 0.18 in N/A 0.17 in N/A 0.17 in