M8-1.25 X 15mm 소켓 캡 나사 | 육각 소켓 드라이브 | 전체 나사산 | 12.9급 합금강 아연 도금 (200개/팩)

I've used these in a few jigs and tooling setups now, and the Class 12.9 alloy steel feels way more solid than the cheaper 8.8 stuff I'd been picking up. Zinc plating's holding up fine on the bench, and for fifteen bucks for 200 of them, it's hard to argue with the value.

The heads sit flush and clean with a 5mm hex wrench, no wobble at all. I've torqued a few down on a tooling plate and the zinc finish hasn't chipped once.

Used a handful to mount a jig to my mill table and the hex drive engaged cleanly without any stripping. The 12.9 grade steel feels reassuringly hard compared to cheaper bolts I've tried.