براغي ضبط رأس مقبس مدببة مقاس 1/2-13 × 2-1/2 بوصة | فولاذ سبائكي (100 / عبوة)

These cone point set screws bit into the shaft perfectly without slipping, and the alloy steel feels solid for heavy-duty use. I've already used a handful for locking down pulleys and they haven't budged.

The hex socket drive made torquing these down in a cramped gearbox a breeze, and the cone points seated perfectly into the shafts. Alloy steel feels sturdy enough for repeated adjustments without stripping. Exactly what I needed for this repair job.

I needed some serious holding power for a machinery alignment, and these cone point set screws dig in perfectly. The hex socket drive gave me plenty of torque without stripping.