Metallics JWNCF8 Nuts 3/8-16 Wing Nut Forge-St (Jar 100)

It threads onto 3/8-16 rod or bolt, meaning 3/8 inch diameter at 16 threads per inch. That is standard 3/8 UNC coarse thread, so it runs onto common 3/8 inch all-thread rod and hex bolts without an adapter. Thread form follows ANSI/ASME B18.17.

The JWNCF8 is cold forged steel, not die cast. That matters on fixtures that get opened and reclosed, because cast wings snap off at the root under repeated hand torque while forged wings bend before they break. Wing thickness is 0.20 to 0.24 inches. Finish is zinc plating for indoor and protected corrosion resistance.

Zinc plating is the finish on the JWNCF8, and it is a general purpose coating suited to dry and protected interior work. For sustained wet, washdown, or coastal exposure, specify a hot dip galvanized or stainless wing nut instead, since zinc plate will bloom white and eventually rust through in those conditions.

They ship in a jar of 100 pieces, and 100 count is the order minimum, so you are buying by the jar rather than loose. For an MRO crib or a service van, that jar is one line item per size, which is how most shops stock these.

The JWNCF8 is flagged both Buy American compliant and ARRA compliant in the manufacturer's product data, which is what a government, school, or transit procurement package normally asks for on fasteners. Country of origin is listed as multiple, so if your specification requires a single named origin on the submittal, that detail needs to come off the actual production lot.

Yes. The JWN series runs other thread sizes and pack quantities beyond the 3/8-16 JWNCF8, available by request, which is useful if you are standardizing a crib on one brand of wing nut across 1/4, 5/16, and 3/8 inch rod.