5/8" X 5-1/2" 六角頭螺絲 | 316 不鏽鋼 (50 / 包裝)

Installing these into a heavy timber frame was a breeze, and the threads bit cleanly without stripping. The 316 stainless feels solid and should hold up well in our damp climate.

The hex head grabbed my socket wrench perfectly and sank into the pressure-treated beams without a hint of stripping. I’ve had lesser screws corrode on saltwater docks, but these 316 stainless ones should outlast the wood itself.

Most of my deck ledger was starting to corrode near the coast, but these 316 stainless lags show zero rust spots after three months of rain and salt air. The 5-1/2 inch length gave my 4x4 posts a solid bite into the beams, and the hex heads made seating them with a socket wrench effortless.