Metallics JSRM23 10-24 x 1 in. Round Head Slotted Machine Screws - 18-8 Stainless - Each

The JSRM23 ships as a jar of 100 screws, and the jar is the order minimum, so you buy in multiples of 100. Each screw is a 10-24 x 1 inch round head slotted machine screw in 18-8 stainless.

No. The JSRM23 is marked not Buy American compliant and not ARRA compliant, with country of origin listed as multiple. For a job with domestic sourcing requirements you need a fastener carrying a domestic origin declaration.

18-8 stainless is the standard corrosion resistant choice for wet and outdoor work, which is why these are specified instead of plated steel in exterior boxes, rooftop equipment and mechanical rooms. The JSRM23 is 18-8 stainless throughout, not plated, so cutting or grinding the screw does not expose bare steel.

Tensile strength is rated at 80,000 psi minimum with a hardness of Rockwell B85 to B95, against the SAE material standard. Metallics notes that tensile numbers for stainless screws are approximations, since there is no single performance standard for stainless machine screws. Practically: these are softer than a hardened grade 5 steel screw, so do not over torque them, and for structural load pick a steel fastener with a published grade instead.

These are machine screws, not self tapping or sheet metal screws. The 10-24 thread runs the full length and needs a mating 10-24 tapped hole or a 10-24 nut. If you are fastening into unthreaded sheet metal with no nut behind it, a self tapping or thread cutting screw is the right part instead.