screwless,a.|ˈskruːlɪs| [f. screw n.1 + -less.] Without a screw or screws. 1913in Webster.1962L. S. Sasieni Dispensing i. 35 The ‘Ilford’ screwless mounting.1976Golf International 13–29 May 32/2 Most manufacturers change to what's termed the screwless face insert, for wooden clubs.