براغي ضبط بنقطة كأس #1/4-28 × 5/16 بوصة | فولاذ سبائكي مطلي بالزنك (1000/عبوة)

I needed these for a tight spot on a machine rebuild, and the hex drive made adjustment really straightforward. The cup point tip gripped firmly without any slipping, and all 1000 screws arrived clean and uniform.

Zinc plating looks even and clean across all thousand pieces, and the cup point bites into the shaft without stripping even when I torque them down hard in tight spots. These are holding my machine guards steady after a month of vibration, which is exactly what I needed.

The cup point grips firmly on the shaft without marring it, and the hex drive made them easy to install in a tight spot. For a hundred pack, the zinc coating looks consistent across all pieces, so I'm confident they'll resist rust well. I've already used a dozen on a jig build, and they hold adjustm