براغي ذات رأس مقبس 3/4-10 × 15 بوصة | محرك سداسي | ملولبة جزئيًا | فولاذ سبائكي مع أسود حراري

The thermal black oxide finish looks even better in person and held up perfectly during assembly on my jig. Threading the 15-inch length into a blind hole was smooth, no binding at all. These are exactly what I needed for the precision fixture I'm building.

Finally found black oxide cap screws long enough for our jig table, the 15-inch length was exactly what the drawings called for. The hex socket drive engaged cleanly with no wobble during tightening, which saved me a headache.

I needed some extra-long fasteners for a jig I was building, and the 15-inch length on these was perfect for the application. The hex socket drive made installation straightforward even in a tight spot.