براغي مقبس سداسي بنقطة كوب محززة 3/8-24 × 1/4" | فولاذ سبائكي (250/عبوة)

Finally got around to using these on a jig I built, and the knurled cup point really bites into the shaft without marring it. The hex socket made it easy to tighten them in a tight spot with a ball-end driver.

Bought these for a fixture where a standard set screw kept backing out under vibration—the knurled cup point digs in and holds far better than I expected. At 250 per pack, the hex socket drive makes quick work of installs in tight spots, and they’ve got a solid, machined feel that suggests they’ll l

The knurled cup point really locks into place on my fixture without slipping, and the hex drive makes cinching them down in tight spots a breeze. These 250 pieces will last me through several projects.