M6-1 X 30mm 六角穴付きボルト | 全ねじ | 8.8級合金鋼亜鉛メッキ (400 / パック)

Threads cut clean and the zinc coating's even across all 400, so they'll hold up in a damp shop. Fit was spot-on in my drilling fixtures, no wobble or stripped heads. Exactly what I needed for repetitive assembly work.

The hex socket drive fits my Allen keys perfectly without any stripping, and the zinc plating looks clean and uniform across all 400 pieces. I used them for a jig assembly and they torqued down smoothly.

Finally, a pack of socket cap screws where every single one threads in smoothly without binding. The hex socket drive grips perfectly, and the zinc plating gives them a clean, uniform look. Exactly what I needed for securing some jig components.