M4×5mm 平頭止付螺絲 | 合金鋼 (1000入/包)

Had a jammed set screw on a rotary table and these M4s with the flat point dug in perfectly without marring the shaft. The alloy steel feels tough, and having a full thousand on hand means I'll never run out mid-job again.

The hex socket drive makes these incredibly easy to tighten even in awkward spots, and the flat point seats perfectly without wandering. A thousand pieces in one box means I won't be reordering for a long time.

I needed a full box of M4 screws for a production run, and these alloy steel ones handled the hex driver without stripping. The flat point tip made seating them in tight spots much easier than standard set screws.