HOLO-KROME 43008 براغي تثبيت برأس مقبس نقطة كوب مخدد مقاس #10-32 × 3/16" | سبيكة فولاذ بأكسيد أسود حراري (100 / عبوة)

The knurled cup point really held its grip on the shaft without slipping during assembly, and the black oxide finish looks clean for a fastener. I used these for a small jig, and all 100 pieces came with consistent threads.

The knurled cup point grips the shaft way better than the smooth set screws I had before, and the black oxide finish hasn’t shown a speck of rust after a few weeks in a humid garage. For a hundred pieces at this price, the hex socket cut is clean and the threads run true in every one I’ve used so fa

I needed a small batch of these for a repair on a precision shaft, and the cup point really holds its grip without marring the surface. The hex socket engagement felt solid, and all 100 pieces came neatly packed with no burs.