MS51021-2 | براغي ضبط عسكرية | محرك سداسي (50/عبوة)

Used a few of these to lock a pulley onto a motor shaft, and the hex socket drive gave me a solid, wobble-free grip even in a tight spot. The 50-pack is great to have on hand for future projects without running to the store.

The hex socket drive makes them easy to seat in tight spots where I can’t get a straight shot, and the mil-spec finish feels reassuringly sturdy. They’ve held a pulley firmly in place on my bench setup with zero slip, even under constant vibration. For fifty pieces at this price, I’m stocked for the

These little guys have saved me a couple of times when a collar or gear was slipping on a shaft. The hex socket drive makes them easy to get snug in tight spots, and the 50-pack means I've got plenty for the next project.