3/8-16 × 1" 半狗點內六角止付螺絲 | 合金鋼 (100個/包)

The hex socket drive is a lifesaver when you're torquing these down in a cramped spot—my wrench would've never fit. The half dog point seated perfectly into the shaft recess without any wobble, and all 100 came with clean threads out of the bag.

Used a few of these to secure a jig fixture and the hex socket drive made adjustments a breeze even with my fat fingers in a tight corner. The alloy steel feels plenty tough and the half dog point seated exactly where I needed it. This pack of 100 should last me years.

The half dog point really grabs and holds in the keyway without slipping, and the hex socket makes tightening them in a cramped spot much easier. I went through a whole pack on a fixture build and every single one threaded cleanly.