براغي رأس كبس M6-1 × 65 مم | محرك سداسي | ملولبة جزئيًا | فولاذ سبائكي كلاس 12.9 أكسيد أسود حراري (200/عبوة)

Finally found black oxide socket cap screws in exactly this length for my jig build—the hex drive grips perfectly with a standard Allen key. The partially threaded section is long enough to hold threaded components without bottoming out, and the 12.9 rating gives me confidence under high clamping lo

I needed some high-strength fasteners for a small jig I’m building, and these 12.9 alloy steel screws are absolutely rigid once torqued down. The 65mm length was perfect for my application, and the partial threading saved me from having to cut anything.

The black oxide finish on these M6-1 x 65mm screws looks evenly applied and holds up well under wrenching without flaking off. The partially threaded design made them perfect for clamping my jig plates together, and all 200 came out of the bag with clean threads.