1/4-20 x 1-3/4" 機械螺絲 | 平頭十字槽 | 316不鏽鋼 (200顆/包)

I needed something that would hold up on my dock near saltwater, and these screws are perfect—no signs of rust after a few months. The Phillips drive seats cleanly, and the flat head sits flush every time.

The 316 stainless steel is exactly why I ordered these for a boat project—the salt-water corrosion resistance is a big deal for me. They're non-magnetic too, which I didn't expect at this price point. Two hundred pieces in the pack is plenty to keep spares around.

The Phillips heads seated perfectly without stripping, even when I drove them into pre-drilled holes on a wet deck. That 316 stainless steel gives me real peace of mind for this seaside railing job.