براغي مقبس كوبية 3/4-10 × 3/8 بوصة | فولاذ سبائكي (100 / عبوة)

The hex socket drive made seating these in a tight spot a breeze, and the cup point bit in firm without stripping. For a hundred of them at this price, they're solidly built and I've already put half in without a single failure.

I needed a strong set screw for a stubborn pulley on my lathe, and the hex socket drive made it easy to tighten without stripping. The cup point bit into the shaft perfectly, holding solid even under heavy vibration.

These set screws fit perfectly into my machine’s threaded adjustment bracket, and the hex socket drive made tightening them in that tight spot really easy. The alloy steel feels solid, so I’m confident they’ll hold up under constant use without stripping.