M20-2.5 x 90mm 육각 머리 볼트 | 10.9급 강철 아연 도금 | 부분 나사산 (25개/팩)

Used them to fasten a heavy press table assembly and the Class 10.9 steel held perfectly under load. The hex head sat flush in our wrench without slipping, and the zinc finish hasn't shown any rust after a month in a damp shop.

The partial threading on these M20 bolts was exactly what I needed for a machinery repair where full threads would have been in the way. They torqued down evenly with a socket, and the zinc coating gives me confidence they'll resist rust in the shop.

The partially threaded shaft worked perfectly for a jig I'm building where the unthreaded section needs to pass through a bushing. These hex heads grab a socket nicely without any slop.