M14-2 X 160mm براغي رأس مقبس بمحرك سداسي | ملولبة جزئياً | فئة 12.9 سبيكة فولاذ مطلية بالزنك (25 / عبوة)

I've been using these socket cap screws for securing some precision tooling, and the zinc plating looks like it'll hold up well against chips and coolant. The 12.9 grade feels noticeably tougher than the standard stuff I've used before.

I needed heavy-duty cap screws for a jig I was building, and the 12.9 alloy steel gives me real confidence it won't strip under high torque. The hex socket drive fits my allen key perfectly, and the zinc plating seems durable. Exactly what I wanted for the price.

The partially threaded design made it easy to dial in precise clamping force on my assembly fixture. These bolts feel seriously tough, and the zinc coating looks clean and durable.