5/8-11 X 12" 車螺絲 | A307 A級普通鋼 (10/包)

These bolts are chunky and solid, the square neck grabbed the wood perfectly and didn't spin at all when I tightened the nut. Exactly what I needed for a heavy-duty fence repair.

I needed serious hardware to anchor a heavy workbench frame, and these 12-inch carriage bolts delivered exactly the grip I needed. The square neck seated perfectly into the wood on the first try without any wrench-spinning frustration. Plain steel is exactly what I wanted for a project that will get

The square neck grabbed the wood instantly on my first test fit, no spinning or fussing with a wrench to hold it still. At 12 inches long, these are hefty enough for real framing work, and the plain steel finish is exactly what I expected for outdoor projects I'll paint anyway.