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Shear-loc Thumb screw knobs
Thumb Screws

The best way to use this section of the web site is to first determine
the size screw you need. Click the corresponding button above to view
all of the available Thumb Screws and part numbers for that size screw.


The Shear-Loc Thumb Screw Number System

knob style & color - screw size & pitch - screw length & Type


 Click here to go back to the top of the page and select a screw size.

Knobs Manufactured in the U.S.A. by:

Shear-Loc Products under USA patent no. 5,017,068
and E.U. patent 0551295

Contact Information


1-800-775-5668   Office hours  8:00AM - 5:00PM  PST


1-949-768-8705 24Hrs. 7Days

  Postal address:

23191 Peralta Dr.
Laguna Hills Ca. 92653-1499

  Electronic mail:

Customer Support:

    Last Modified:May 23, 2016