براغي ماكينة 5/16-18 × 3 بوصة | رأس مسطح فيليبس | فولاذ مطلي بالزنك (200 / عبوة)

The flat head design sits flush in my steel project, and the Phillips drive didn't cam out once despite my impact driver. For three inches long, these screws bite cleanly into the pre-drilled holes and hold tight.

The zinc plating on these 5/16-18 machine screws is smooth and consistent, so they slid right into pre-drilled holes without any binding. I used them to fasten a metal panel to an enclosure, and the flat head sits flush just as needed. For a 200-pack, the quality feels better than what I usually fin

The zinc coating on these screws is nice and even, giving them a clean look for attaching metal brackets on my workbench. They threaded smoothly into tapped holes without any binding, and the full 3-inch length was just right.