براغي رأس كبس مقبس سداسي | 1-1/8-7 × 10" | خيط جزئي | فولاد سبيكة أكسيد أسود حراري

That partially threaded shank really helps when you need precise clamping depth without threads chewing up the bore. I just finished a jig build and these screws took the torque without any flex. Exactly what I needed for heavy tooling work.

The hex socket drive engaged perfectly with my torque wrench, making installation on a jig frame much smoother than I expected. These bolts feel solid and the black oxide finish seems like it will resist wear well in my shop.

The partially threaded design seated these perfectly in my jig setup, and the black oxide finish took the wrenching without a scratch. I’ve torqued them hard and they’ve held up through a full day of machining. Bought a second pack already.