براغي رأس سداسي 1/4-20 × 3-1/4 بوصة | فولاذ درجة 5 مطلي بالزنك الأصفر | ملولبة جزئيًا (100 / عبوة)

The partial threading on these is perfect for snugging down into a jig plate without bottoming out—saved me from threading all the way. The yellow zinc coating looks clean and hasn't shown any rust after a few weeks in my damp garage. Just wish the package came with a few extras for the inevitable d

Needed a few for a workbench jig and the partially threaded shank made alignment much easier than fully threaded bolts. The yellow zinc coating looks clean and the hex head grabbed perfectly with a socket.

These 1/4-20 bolts threaded smoothly into my trailer hitch project with no binding at all. The partially threaded shank gave me exactly the grip length I needed.