Metallics JFWPB21 8 x 1-1/2 in. Flat Head Phillips Wood Screws - Brass - Each

The JFWPB21 #8 x 1-1/2 inch brass wood screws ship in a jar of 100, and 100 is the order minimum. There is no smaller break pack, so a job needing 20 screws still buys the jar of 100.

Yes, the flat head is made to countersink flush. The head measures 0.292 to 0.332 inch across with a 0.100 inch head height, so a standard 82 degree countersink for a #8 screw takes it level with the surface. If you are driving into hardwood without a countersink, the head will stand proud and the soft brass can snap at the neck.

No. The JFWPB21 brass wood screws are not Buy American compliant and are not ARRA compliant, with multiple countries of origin. If your contract carries a domestic sourcing clause, these will not clear it and you need a domestically sourced fastener instead.

A #2 Phillips driver is the correct size. The recess runs 0.191 to 0.204 inch in diameter and 0.113 to 0.136 inch deep, so a #1 bit will cam out and a #3 will not seat. Brass is soft, so drive it with a bit in good shape and back the speed off.

Brass is the choice when the screw is visible and has to match brass hardware, or where you want corrosion resistance without plating, for example brass hinges, strike plates, escutcheons and trim. The tradeoff is strength: brass is far softer than steel, so pilot drill and do not use it where the screw carries real shear or gets driven with an impact driver. For structural fastening in wood, use a steel wood screw instead and keep the brass for the finish work.

On the JFWPB series, screws longer than 1 inch are threaded for two thirds of the length, so a 1-1/2 inch screw gives you roughly 1 inch of thread with a shank under the head. Thread pitch is 15 threads per inch. That unthreaded shank is what lets the screw pull two pieces of wood tight together rather than jacking them apart.

They are built to ASME B18.6.1, with thread conforming to ASME B18.6.1-1997. That is the wood screw standard covering head, recess and thread geometry, which is why the head width, head height and Phillips recess are all published as ranges rather than single figures.

Metallics lists this screw for the electrical, plumbing, heating and air conditioning trades. Non ferrous brass is common where a steel screw is unwanted, such as mounting in damp locations or fastening into wood backing near other brass components. It still works for general woodwork, trim and hardware mounting.

The jar of 100 comes in at 0.752 lbs, in a container listed at 3 x 3 x 2.15 inches. Light enough to throw several sizes in a van bin without thinking about it.