مسامير نقل 1/2-13 × 18" | فولاذ مطلي بالزنك درجة A307 (50 / عبوة)

The square neck grabbed perfectly into the wood beam, no spinning while I tightened them down. All 50 bolts had clean, consistent threads and the zinc coating looks like it'll hold up fine outdoors. Exactly what I needed for a heavy timber project.

Installed six of these on a heavy gate and that zinc coating has held up perfectly through a week of rain. The smooth rounded head sits flush against the wood without catching on anything. Exactly what I needed for this job.

The square neck grabbed the wood instantly and held rock-solid while I tightened the nuts—zero spinning, just how carriage bolts should work. Zinc plating looks clean and even across all 50 pieces.