A variety of inch and metric precision screws and fasteners includes the 303 stainless-steel knurled thumbscrews and 300-Series stainless-steel thumb-screws with black plastic heads.
The 303 version comes in standard knurled head, heavy knurled head, and a socket-heavy head (with nylon points upon request). Screw threads range from #4-40 to ¼-20 (in.) and M3,0 x 0,5 to M8,0 x 1,25 (metric), with thread lengths from ¼ to 2 in. and 5,0 to 42,0 mm.
Nordex Inc., 426 Federal Rd., Brookfield, CT 06804, (800) 243-0986, nordex.com