HOLO-KROME 08058 براغي كتف مقبس 3/8 × 3 بوصات | رأس مقبس | محرك مقبس | سبيكة فولاذية بأكسيد أسود حراري (25/عبوة)

The shoulder on these is ground so smoothly that they spin true as an axle with zero wobble. I've used them for a jig pivot and the fit is tight without any binding.

These fit the bore perfectly and the precision ground shoulder makes them spin smooth as a pivot. The black oxide finish looks clean on the machine, no burrs or rough edges out of the package.

I needed a true pivot bolt for a jig I’m building, and the precision ground shoulder on these is dead-on, giving me smooth rotation without any wobble. The hex socket drives cleanly and the thermal black oxide finish looks tough and corrosion-resistant right out of the pack.