M8 X 30mm 平頭內六角螺絲 | 18/8 不鏽鋼 (250 入/包)

I’ve used these for a few machine builds now, and the hex socket drive really lets you torque them down hard without the driver slipping out. The 18/8 stainless finish also hasn’t shown a hint of rust after sitting in a damp workshop for weeks. Glad I grabbed the 250-pack since I keep finding more u

Finally, a set screw that doesn't strip when you're cranking down in a tight spot; the hex socket drive gave me the torque I needed without rounding out. The flat point tip seated perfectly in my jig, and the 18/8 stainless steel feels solid.

I needed set screws that would hold tight in a tight space, and these M8 30mm ones with the hex socket drive went in smoothly without stripping. The flat point seated perfectly against the shaft, and the stainless steel feels durable.