M4 X 10mm 杯頭內六角止付螺絲 | 316不鏽鋼 (500個/包)

Installing these in a tight marine electrical panel was a breeze thanks to the hex socket drive engaging perfectly without stripping. The 316 stainless steel gives me real confidence they'll hold up against corrosion long-term. Just wish the cup point was a bit more pronounced for counter-sinking fl

These little set screws are exactly what I needed for a delicate adjustment job where I couldn't get a wrench in. The 316 stainless feels solid and the cup point bites down firmly without stripping. The hex socket drive takes an Allen key perfectly, so even in that tight spot it was a quick turn and

Needed a batch of M4 cup point screws for some machine-level adjustments, and the hex socket drive made it easy to torque them down in a tight spot without stripping. The 316 stainless steel feels solid and corrosion-resistant, exactly what I was after.