HOLO-KROME 32176 براغي مقبس كوب 3/8-16 × 3/4 بوصة | فولاذ سبائكي مؤكسد أسود حراري (100 / عبوة)

Used these to secure a pulley on a motor shaft and the hex socket drive made installation a breeze. The cup point bit in firmly without damaging the shaft surface. Exactly the right feel for this size hardware.

The black oxide finish on these screws looks clean and professional, and the cup point design held my shaft components in place without any shifting. I used them for a jig build and they seated perfectly flush with the surface, making adjustments easy. For a hundred pack at this price, you can't bea

The hex socket drive seated perfectly with a standard Allen key, and the cup point bit into the shaft with zero slipping. These clamp down solidly, and the black oxide finish hasn't shown a speck of rust after a month in my shop. Exactly what I needed for a stubborn gear puller setup.