Metallics JSS2414 Screw 10-24 x 1/4 SKT S-Scr Cup St-B (Jar 100)

At 1/4 inch of overall length, the JSS2414 only engages about two to three full threads at a 10-24 pitch, so it suits thin collars, lug bodies, and shallow tapped bosses. If your tapped hole is deeper than 1/4 inch and the screw needs to reach a shaft or conductor below that depth, step up to a longer 10-24 set screw, this one will bottom out short.

A cup point bites into the mating surface with a ring-shaped edge, which is what you want for holding a conductor, collar, or shaft that you do not mind marring. The JSS2414 is a cup point. Use a flat point instead where the surface has to stay clean for repeated adjustment, or a cone point where you want maximum holding into a drilled spot.

It is a socket (hex key) set screw, so it drives with an Allen wrench, not a screwdriver. There is no external head to grab, the whole screw seats flush or below the surface of the tapped hole.

100 screws per jar. The jar pack is the usual MRO and service-truck format for this kind of small fastener, so you are buying a replenishment quantity, not a single screw.

Steel with a black finish, per the St-B designation. If the application is outdoors, in a wash-down area, or anywhere with standing moisture, specify a stainless set screw instead, a plain steel screw in that service will rust in the tapped hole and seize.

Yes. Metallics catalogs the JSS2414 as an electrical fastener, and 10-24 cup point socket set screws are the standard replacement for the clamping screws in mechanical lugs, split bolts, ground clamps, and fixture canopies. A jar of 100 is sized for a shop or truck that keeps spares on hand.