5/8-11 x 2-3/4" 內六角圓頭螺絲 | 美國製造 | 合金鋼熱處理黑色氧化 (25 / 包)

Threaded all twenty-five into my fixture plate without a single hiccup, and the black oxide finish gives them a clean, uniform look that resists shop grime. The hex socket drive seated the driver bit solidly each time—no stripping, no wobble. These are holding up exactly as I hoped on my precision a

Perfect fit for my jig fixture—the alloy steel threads cut cleanly and the black oxide finish wiped down easy. These feel solid enough to torque down without any worry.

The hex socket drive is machined cleanly, so my Allen wrench seated perfectly every time without any wobble. The thermal black oxide finish has a nice, uniform look and these 25 pieces feel solid and weighty for the price. Exactly what my tooling jig needed.