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More stuck pins.
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<blockquote data-quote="Tazza" data-source="post: 47390" data-attributes="member: 82"><p>4140 before hardening is pretty good at wear resistance, not as good when nitrided though. Easily cut with a standard saw blade in that state too.</p><p>With regard to the bushings, i thought the same. But Bobcat have never done this in the lift arms or any other pivot point. If the bushings are repalceable its fine to use hardened pins. For the amount of work you will be putting your hoe through, i'd doubt it would wear out. The two surfaces should be smooth and a layer of grease between. Ideally they should never wear like that, even if one is harder than the other, we know its not a perfect world, so naturally its never like that is ist?</p><p>With that said, i don't see why mild wouldn't work, but can you get precision ground mild steel? or do they only cater for the 'good' stuff? Most of the round mild i have seen is just rolled, you still need to machine it to size.</p></blockquote><p></p>
[QUOTE="Tazza, post: 47390, member: 82"] 4140 before hardening is pretty good at wear resistance, not as good when nitrided though. Easily cut with a standard saw blade in that state too. With regard to the bushings, i thought the same. But Bobcat have never done this in the lift arms or any other pivot point. If the bushings are repalceable its fine to use hardened pins. For the amount of work you will be putting your hoe through, i'd doubt it would wear out. The two surfaces should be smooth and a layer of grease between. Ideally they should never wear like that, even if one is harder than the other, we know its not a perfect world, so naturally its never like that is ist? With that said, i don't see why mild wouldn't work, but can you get precision ground mild steel? or do they only cater for the 'good' stuff? Most of the round mild i have seen is just rolled, you still need to machine it to size. [/QUOTE]
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