HOLO-KROME 09023 10mm X 40mm 內六角肩螺絲 | 內六角頭 | 內六角驅動 | 合金鋼熱處理黑色氧化（每包25顆）

I needed a sturdy pivot for a jig I was building, and these shoulder screws fit the bill perfectly. The hex socket drive made installation quick with no stripped heads.

The precision ground shoulder on these screws made a huge difference in my assembly jig—no wobble at all on the pivot points. Fit perfectly into my pre-tapped holes and the black oxide finish feels durable.

I needed a hardened pivot pin for a jig I’m building, and these socket shoulder screws fit the bill exactly—the hex drive makes tightening a breeze. The black oxide finish looks clean and should resist rust well.