3/8-16 × 3" براغي رأس سداسي | صناعة أمريكية | درجة L9 فولاذ سبائكي زنك أصفر | خيط جزئي (50 / عبوة)

Had to swap out some old bolts on a heavy press, and these L9 hex heads threaded in smooth as butter with zero play. The yellow zinc finish looks solid and hasn't shown any rust after a week in a humid shop.

Used these to secure a milling machine base, and the Grade L9 steel held up perfectly under heavy torque with no stripping. The yellow zinc coating is a nice touch for resisting shop grime.

The partially threaded section makes seating these bolts in a fixture a lot quicker than I expected. Grade L9 feels plenty stout for the machinery repair I used them on, and the hex heads grabbed cleanly with a socket. Only thing is the yellow zinc finish is a bit more matte than shiny, but that’s c