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Shear Sharpening and Running-Cost Estimator
A shear’s purchase price is the smallest part of its cost. Enter your own numbers to compare the running cost of a soft-steel curve versus a hardened Japanese 440C blade. This estimates sharpening cost only — it does not quote product prices.
Estimated annual sharpening spend:
| Soft-steel curves | |
|---|---|
| Hardened Japanese 440C |
Estimated yearly difference in sharpening alone:
Currency is whatever you entered. Based on the industry sharpening interval of roughly every 6-12 months for a well-heat-treated 440C convex edge versus more frequent grinds on soft steel. Fewer re-grinds also means less blade metal lost over the tool’s life.
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