Metallics JSRM86 6-32 x 1/4 in. Round Head Slotted Machine Screws - 18-8 Stainless - Each

6-32 is the standard thread for receptacle and switch mounting ears and for most cover plates, and the JSRM86 runs 32 threads per inch on a 6-32 diameter. At 1/4 inch long it is short, so it suits plate-to-device or device-to-strap work rather than setting a device back in a deep box. For mounting a device into a box through spacers or plaster rings you want a longer 6-32.

No. The JSRM86 is listed as not Buy American compliant and not ARRA compliant, with country of origin shown as multiple. For a project with domestic sourcing requirements you need a fastener carrying a documented domestic origin.

The screws are 18-8 stainless, an austenitic chrome-nickel grade that resists rust in wet and outdoor exposure far better than plated steel. That makes them workable for exterior device plates, marine-adjacent, and washdown areas. Hardness runs Rockwell B85-B95, so they are tough but not a hardened structural fastener.

They ship in a jar, and the order minimum is 100 count. So the smallest buy is a 100-piece jar, not a loose screw. Metallics' SRM series covers other sizes and quantities on request.

Head height on the JSRM86 is 0.091 to 0.103 in. and head width is 0.24 to 0.26 in. A round head is a domed profile that sits fully above the material, so it is not for a countersunk hole. If your plate or bracket is countersunk for a flush finish, order an oval or flat head instead.

No. A machine screw like the JSRM86 has a uniform straight thread and no point, so it needs a tapped hole or a mating nut. For sheet metal use a self-tapping or sheet metal screw; for drywall use an anchor.

Rated at 80,000 psi minimum, and the thread dimensions follow SAE. Worth knowing: there is no single performance standard for stainless machine screws, so treat stainless tensile figures as approximations. If a drawing calls out a graded strength class, specify a hardened steel screw rather than 18-8.