براغي كتف مقبس M8 × 90 مم | رأس مقبس | محرك مقبس | فولاذ سبائكي (25 / عبوة)

After struggling with cheaper screws bending on a heavy project, these alloy steel shoulder screws handled the load perfectly without any deflection. The socket head makes them easy to install in tight spaces, and they work great as precision pivot points.

The precision-ground shoulder on these screws is impressively smooth—my homemade tool handle spins on them like a bearing. They were also a perfect fit for the M8 hex driver I had.

These made a perfect pivot for the custom jig I was building, and the threads are clean enough to start by hand. The 90mm length gave me just enough clearance for the nylon washer stack I needed.