M6-1 x 8mm 內六角圓柱頭螺絲 | 鈕扣頭內六角驅動 | 全牙 | 12.9級合金鋼鍍鋅（400顆/包）

The hex socket drive on these M6 screws grabs my driver bit securely, which made assembling a jig frame noticeably smoother than with standard slotted hardware. After snugging a few into some aluminum tooling, the zinc plating seems to hold up well against minor shop dust. I'm satisfied with the pre

These are the first M6 button heads I've bought where every single one threaded cleanly into my jig plate without a single dud in the box. The hex socket drive seated perfectly and the zinc plating has a nice, even finish that should hold up well in the shop.

I needed a batch of small fasteners for a jig I’m building, and these M6-1 x 8mm screws hold tight without stripping. The zinc plating looks clean and should resist rust in my shop.