5/8-11 x 1" 六角頭螺絲 | 5級鋼黃鋅 | 全牙 (50/包)

The hex heads fit my socket perfectly, and the yellow zinc coating looks clean and durable. I used these to bolt down a bench grinder and they've held tight without any rust so far. Exactly what I needed for a solid machinery repair.

Needed a handful of these for a small machinery repair, and the threads caught perfectly on the first try—no cross-threading. The yellow zinc finish looks clean and feels sturdy under the socket.

The hex head made tightening them with a socket wrench quick and easy, and the yellow zinc finish looks great against the steel parts I used them on. They fit perfectly into the pre-tapped holes on my lathe's tool rest assembly.