HOLO-KROME 87032 براغي رأس مقبس M4-0.7 × 12 مم | رأس مسطح محرك مقبس سداسي | فولاذ سبيكة أكسيد أسود حراري (100/عبوة)

I've used these on a couple of jigs and tooling setups, and the flat head seating is really clean—no wobble once torqued down. For the price per piece, having a full box of 100 means I don't hesitate to grab a fresh one for tight spots, and the black oxide finish hasn't shown any wear yet.

Used these on a couple of precision assemblies and the flat head seating is spot-on—sits flush without any wobble. The black oxide finish has held up fine so far, though I wish the packaging included a few extra spares for the price. They thread smoothly and the hex drive grips well, so no complaint

Installed these in a jig fixture for a production run, and the black oxide finish held up nicely without galling. The flat head sits flush and the hex drive didn't strip even under moderate torque. Only reason for 4 stars is the 100-pack is overkill for my small shop needs.