M2-0.4 X 10mm 內六角螺絲 | 內六角驅動 | 全螺紋 | 12.9級合金鋼鍍鋅 (600 / 包)

Installed these in a small jig I’m building, and the hex socket drive made tightening them much easier than with a standard slot. The 12.9 alloy steel feels noticeably harder than the softer stainless ones I used before.

I’ve been using these M2 screws for mounting small PCB boards in my jigs, and the hex socket drive makes them much easier to torque down precisely than slotted heads. The zinc plating seems consistent across all 600 pieces with no flaking.

Finally, a pack of M2 screws that doesn't skimp on quality — the hex socket drive fits my driver perfectly with zero stripping, and the zinc plating looks clean on my jig. Class 12.9 strength gives me peace of mind for a tight hold in my precision assembly. Six hundred in the package means I won't r