HOLO-KROME 09032 12mm X 16mm 內六角肩螺絲 | 圓柱頭 | 內六角驅動 | 合金鋼熱處理黑氧化物 (25 / 包)

I needed a precise pivot for a small jig I'm building, and the hex socket drive made installation straightforward. These screws fit snugly into their bearings without any wobble, and the black oxide finish looks clean.

The precision ground shoulder on these is exactly what I needed for a pivot assembly—zero wobble once torqued down. The black oxide finish looks clean and should hold up fine in a dry shop environment. Socket drive made install a breeze with a hex key.

Waited three weeks for these to come back in stock, and they’re worth it. The hex socket drive fits my hex keys snugly, no play at all. Using them as pivots on a jig I’m building, and the precision ground shoulder runs dead true.