مسامير رأس مقبس M10-1.5 × 50 مم | محرك سداسي مسطح الرأس | ملولبة جزئيًا | فولاذ سبائك فئة 10.9 مطلي بالزنك (100 / عبوة)

The zinc plating is holding up nicely after a week in my jig setup, no rust or peeling. Threads cut clean into steel without binding, and the hex socket fit snugly on my Allen key. These are solid for precision work.

The partially threaded length is perfect for clamping thick plates without bottoming out, and the zinc finish looks clean right out of the bag. Torqued one to spec in a prototype fixture and the hex socket bit seated firmly with zero wobble. Exactly what I'd expect from a Class 10.9 bolt at this pri

Needed a high-strength bolt for a jig I'm building, and these class 10.9 alloy steel screws fit perfectly without any stripping. The hex drive bit grabbed solidly right from the first turn.