براغي رأس أسطواني M20 × 300 مم | رأس مسطح بمحرك سداسي داخلي | فولاذ سبائكي (2 / عبوة)

Tightened these into a jig frame and the M20 threads bit in cleanly with no stutter. The 300mm length gave me plenty of grip when stacking thick plates.

The hex socket drive seated perfectly on my wrench, and the alloy steel finish looks properly machined without any burrs. These 300mm lengths are exactly what I needed for my jig setup, and the threads engaged smoothly through the whole engagement.

The threads cut clean and the alloy steel feels dense and solid—these M20x300mm cap screws are exactly what my jig setup needed. Two per pack was enough to finish the job, and the flat head seated flush without any fuss.