براغي رأس مقبس بنقطة كوب 7/16-20 × 2-1/2 بوصة | فولاذ سبائكي (100/عبوة)

The cup point bit down on the shaft exactly as intended, no slipping even under heavy torque. The hex socket drive made tightening these in a cramped spot a lot less frustrating than I expected.

These set screws are perfect for securing pulleys on a keyless shaft — the cup point bites in firmly. All 100 in the package were cleanly threaded and consistent. Exactly what I needed for a tight application.

The hex socket drive handled the torque perfectly when tightening these into a tight spot on my machine. The cup point bit right in without slipping, and all 100 screws in the bag matched the spec exactly.