براغي رأس سداسي M48-5 × 300 مم | فئة 10.9 صلب عادي | ملولبة جزئيًا (3 / عبوة)

I needed these for a heavy-equipment jig, and the 10.9 steel handles the torque without any flex. The hex head fits my socket wrench perfectly for tightening in tight spaces.

The thread pitch matches my coupling nuts perfectly and the 300mm length gives plenty of grip for stacking washers. Torqued them to spec with a socket and the hex head held up without stripping.

Used these to secure a heavy steel base plate to a concrete floor anchor system, and the Class 10.9 steel held tight without any deformation on the hex head under a high-torque impact wrench. The partially threaded shank made alignment much easier for the blind holes I was working with, and the 300m