M8-1.25 x 20mm 소켓 캡 나사 | 버튼 헤드 육각 소켓 드라이브 | 풀 스레드 | 클래스 10.9 합금강 아연 도금 (200개/팩)

Used a full pack of these on a custom tooling fixture and every single one threaded smoothly without any galling. The hex socket drive is clean and catches the wrench perfectly every time.

Pulled these out for a jig setup on the mill and the alloy steel feels tough, the zinc plating gives them a nice uniform finish. Threads ran cleanly into tapped holes without binding, exactly what I needed for a precision assembly.

The hex socket drive on these M8 button heads made tightening them in tight spots on my jig way easier than a standard allen bolt would have. All 200 arrived clean with consistent zinc plating, no burrs or stripped threads in the batch. Class 10.9 hardness gives me confidence they'll hold up under h