7/8-9 X 2-3/4" 內六角螺絲 | 六角驅動 | 美國製造 | 合金鋼熱處理黑氧化物 (10 / 包)

The black oxide finish on these screws looks fantastic and should hold up well against rust in my shop jigs. Each one threaded cleanly into my fixture without any binding, which saved me a ton of frustration. Exactly the quality I expect from domestically made fasteners.

I needed some high-strength fasteners for a jig I was building, and the hex socket drive made installation much easier than a standard slot head. These screws threaded in smoothly and the black oxide finish gives them a clean, professional look.

The black oxide finish on these socket cap screws looks clean and professional, and they threaded smoothly into my tooling fixture without any binding. For precision assemblies, the hex drive gave me a solid, consistent torque feel.