M12-1.75 X 70mm 內六角螺絲 | 低頭六角驅動 | 部分螺紋 | 10.9 級合金鋼熱處理黑氧化 (50 個/包)

Used a dozen of these M12 cap screws for a jig fixture at work, and the hex socket drive seated perfectly without stripping. The partial thread gives a solid clamp on thick plates while leaving plenty of grip for the tooling setup I need.

For a bunch of 50, the threaded length is perfect for blind hole work where you don't want the thread to bottom out. The black oxide finish on these 10.9 alloy screws feels more durable than what I've used before.

Had to swap out some bolts on a CNC fixture, and these low-head cap screws gave me the clearance I needed without any interference. The black oxide finish looks good and seems to resist oil smudges well.