براغي غطاء مقبس 1-8 × 5-1/2 بوصة | محرك مقبس سداسي | صناعة أمريكية | فولاذ سبائكي مع أكسيد أسود حراري (10 / عبوة)

The black oxide finish on these screws looks great and feels durable, and the hex socket drive made installation with my T-handle wrench very precise. They seated perfectly into my metal fixture without any stripping.

For a jig I’m building, the 5-1/2" length fits perfectly, and the hex socket drive made tightening them in tight spots a breeze. The thermal black oxide finish looks sharp and should hold up well.

Threads were clean and the black oxide finish looks great on my fixture plates. The 5-1/2" length is exactly what I needed for a deep bore setup, and the hex socket drive seated perfectly with my Allen key. For US-made alloy steel at this price, these are a solid buy.