HOLO-KROME 76355 براغي رأس مقبس M10-1.5 × 150mm | محرك مقبس سداسي | فولاذ سبائكي أكسيد أسود حراري (50 / عبوة)

The black oxide finish on these bolts is really consistent across the whole pack, and the threads feel precise and smooth when I torque them into a fixture. They’ve held up perfectly in a heavy-duty assembly jig I’m building.

I’ve used these for a couple of jig setups and the black oxide finish has held up nicely without any rust spots, even after some coolant exposure. The socket drive engages cleanly and the 150mm length works perfectly for clamping thicker blocks.

I used these for a jig I was building and the hex socket drive made installation straightforward with a standard Allen key. The black oxide finish seems consistent across all 50 screws, which is nice. They could be a touch more precisely machined, but they work fine for general tooling.