- a screw passing through a threaded hole in a part to tighten the contact of that part with another, as of a collar with the shaft on which it fits.
Origin of setscrew
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for setscrew
The blank wheel should be keyed on the shaft or securely fastened with a setscrew.The Boy Mechanic, Book 2
- a screw that fits into the boss or hub of a wheel, coupling, cam, etc, and prevents motion of the part relative to the shaft on which it is mounted