براغي ضبط برأس مقبس بنقطة كوب محززة 3/8-24 × 1-1/2 بوصة | فولاذ سبائكي (100/عبوة)

I needed a longer set screw for a heavy jig build, and the knurled cup point really bit into the shaft without slipping. These worked perfectly and the hex drive held up well under high torque. A solid buy for the price.

Had to use these in a tight spot where a standard hex wrench wouldn't swing, and the hex socket drive made all the difference. The knurled cup point really bites into the shaft without stripping, and the alloy steel feels plenty sturdy for the torque I needed. Just wish they came in smaller quantiti

I needed a longer set screw for a hard-to-reach adjustment point, and the 1-1/2" length on these works perfectly. The knurled cup point grips securely without marring the shaft surface. Good value for a hundred-pack, though a few had slightly uneven knurling.