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Iowa | Look at them as they wear and it should be self-explanatory. You will need to weld a bead below the bolt heads to keep them from wearing through as the points will outlast the bolt heads and you will lose them, and find them later in a tire.
When we are close to home, we stop in and add more hard facing several times as they wear, and sometimes change the bolts. If you are able to get to a welder several times as the points are wearing, you can at least quadruple their lives. We had to put on one we hadn't hard-faced, and it we decided not to build it up when we touched up the others just as a test. It was shot when the rest had at least three quarters of their lives left.
I use the 2-piece 4" twisted, and the twisted "tops" have at least 7500 A on them, but I have welded them up dozens of times and changed the bolts probably 6 times or so. The replaceable points will occasionally break when hitting a rock if they are in maybe the last third of their lives, but the hard-facing has not seemed to make them more brittle. | |
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Pattern for hard surfacing chisel plow points??
