M20 X 30mm 平頭內六角螺絲 | 合金鋼 (50/包)

I needed a high-torque fastener for a tight machinery spot, and the hex socket drive on these M20s handled the torque perfectly without stripping. The alloy steel feels solid, and the 50-pack is great value for a project like mine.

The flat point design made it easy to align these screws precisely inside a tight bracket. The hex socket drive held up well under high torque without stripping. Exactly what I needed for this industrial repair job.

The hex socket drive made it easy to get these M20 set screws torqued down securely in a tight spot on my machinery jig. The alloy steel feels solid and the flat point seated perfectly against the shaft without any walking. Exactly what I needed for a stubborn alignment project.