براغي رأس أسطواني M5-0.8 × 10 مم | محرك سداسي | خيط كامل | فولاذ سبائكي فئة 8.8 مع أكسيد أسود حراري (600 قطعة/عبوة)

The black oxide finish is holding up great in my jigs—no rust after a week of coolant exposure. Class 8.8 strength is solid for the torque I’m putting on them, and the hex socket drive bites cleanly every time.

Putting together a batch of tooling fixtures, and the black oxide finish on these M5 screws gives them a nice, uniform look while still driving smoothly. The hex socket holds the wrench securely, and the fully threaded design made getting the right grip depth a breeze. For the price per piece, you r

I'm assembling a small jig for my workshop and these M5 screws fit perfectly—the hex drive made quick work of seating them. The black oxide finish looks uniform across all 600 pieces.