Metallics JSRM11 6-32 x 1 in. Round Head Slotted Machine Screws - 18-8 Stainless - Each

No. The JSRM11 is not Buy American compliant and is not ARRA compliant, with country of origin listed as multiple. On a federally funded job with domestic sourcing language, these will not qualify.

18-8 stainless is the austenitic 300-series alloy used for general corrosion resistance, so these hold up in wet locations, exterior boxes and damp mechanical rooms far better than a zinc-plated steel device screw. For heavy chloride exposure (coastal, pool chemical rooms) a 316 fastener is the better call.

Head height is 0.091 to 0.103 in. and head width 0.24 to 0.26 in. A round head sits on top of the surface rather than pulling flush, so if you need the screw to disappear into a countersunk cover plate or a chamfered hole, order a flat head instead of the JSRM11.

Inch. The JSRM11 is built to SAE material standard with a 6-32 unified coarse thread, 32 threads per inch. It will not thread into an M3 or M3.5 tapped hole, which is what you will run into on some imported enclosures and luminaires.

Tensile strength is rated at 80,000 psi minimum with a hardness of Rockwell B85 to B95. Metallics notes that stainless machine screw strength figures are approximations, since there is no single performance standard for stainless machine screws. For anything structural, use a graded carbon steel fastener instead; these are for device, cover and light mounting work.

Single slotted drive, so a flat blade. Slot width runs 0.039 to 0.048 in. and slot depth 0.051 to 0.068 in., so a cabinet-tip screwdriver with a thin blade seats properly without camming out. No Phillips or combo recess on this one.