Features body: Surface Hardness HRC 52~58Use MnB as material and fully heat-treated technology to enhance wear-resistance.
Axle: Surface heat-treated to ensure the strength and performance of products/ using 100% Digital-control processing device to ensure the dimensional accuracy and quality stability.
Cover: Made of high-quality casting steel
Seal: Special casting steel ring with O-ring, apply for extremely harsh working environments
Sleeve: Surface-coated with Copper to enhance wear-resistance
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These track rollers took a brutal beating on my muddy construction site for months. Honestly impressed – zero wear issues where my old ones would've cracked by now.
Price was fair, but the real win is longevity. These rollers are outlasting cheaper brands I've tried by easily 30%, saving me on downtime and replacements.
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