1/2-13 X 8" 六角頭螺絲 | 美國製造 | L9合金鋼黃鋅鍍層 | 部分螺紋 (25個/包)

Perfectly clean threads and the partially threaded shaft made alignment so much easier on my equipment build. The hex head grabbed the socket firmly, and these Grade L9 bolts feel like they'll outlast the machine itself. Solid pack of 25 for the price.

The yellow zinc coating on these L9 bolts is noticeably thicker than the cheap hardware store stuff, and the partially threaded shank gave me extra grip in my press frame. They cinched down tight with a socket without any wrench slip.

Threads cut clean and the yellow zinc finish looks properly done, not just a thin wash. Used a dozen of these on a jig frame and every one seated square without any galling, which is more than I can say for the last batch I bought elsewhere.