HOLO-KROME 08048 براغي كتف رأس أسطواني 3/8 × 1-1/2 بوصة | رأس أسطواني | محرك سداسي | سبيكة فولاذ أكسيد أسود حراري (25 / عبوة)

The ground shoulder on these is dead-on consistent across all 25 pieces, which made aligning a bearing surface a lot less fiddly than I expected. The thermal black oxide finish looks sharp and seems like it'll hold up fine in my shop.

Needed a precise pivot for a jig I'm building and these shoulder screws fit the bill perfectly. The precision ground shoulder is dead-on, and the thermal black oxide gives them a nice, tough finish that should hold up well.

The shoulder on these screws is ground so smoothly that my clamp slides without any wobble. The black oxide finish also seems tougher than other socket screws I've used.