براغي رأس سداسي 5/8-18 × 2-3/4 بوصة | صناعة أمريكية | درجة L9 فولاذ سبائكي أصفر زنك | ملولبة جزئيًا (25 / عبوة)

Put these on a large piece of farm equipment I’m rebuilding, and the yellow zinc coating is holding up great against the grease and dirt. The Grade L9 alloy steel felt noticeably tougher than the old bolts I pulled off. Exactly what I needed for a heavy-duty job.

Threads cut clean and the hex head sat flush without any wobble when I torqued them down on the equipment frame. The partially threaded length gave just the right grip for that 2-3/4" reach, and the L9 steel feels solid—no stripping or flexing under load. These are my new go-to for heavy assembly jo

The yellow zinc coating is holding up great on these, and the fact they're partially threaded made seating them much easier in my equipment jig. Grade L9 alloy steel feels rock solid for the torque I’m putting on them.