M12-1.75 X 75mm براغي رأس أسطواني بمقبس سداسي | خيط جزئي | فولاذ سبائكي فئة 12.9 مطلي بالزنك (25 / Pkg.)

Just finished a jig plate and these M12s torqued down perfectly without any stripping in the hex socket. The 12.9 alloy steel feels seriously tough for the price, and the partial threading grabbed just right in my fixture.

Threads cut clean and the zinc finish looks even across all 25 pieces, no flakes or rough spots anywhere. We've been swapping out older bolts on a jig and these seat tight with a standard hex key, no stripped heads after a week of heavy use.

Installed these in a press fixture and the hex socket drive made tightening them much easier than standard bolts. The partially threaded design really helps with alignment.