Notched or smooth boron-steel disc harrow blades for primary / secondary tillage. OEM replacement for John Deere, Case IH, Kuhn, Lemken, Massey Ferguson and others.
| Diameter | 16″ / 18″ / 20″ / 22″ / 24″ (406–610 mm) |
|---|---|
| Thickness | 3 mm / 4 mm / 5 mm / 6 mm |
| Material | Boron steel 28MnB5 / 30MnB5 / 65Mn spring steel |
| Edge | Notched (serrated) or smooth |
| Hardness | 40–50 HRC (edge), 38–45 HRC (core) |
| Convexity | Standard 100 mm / 110 mm / custom |
| MOQ | 200 pcs (mixed sizes in container accepted) |
| Lead Time | Stock 10–15 days; OEM tooling 30–45 days |
Send us the OEM code stamped on the original part (or your combine/planter/cultivator model and series). We will match the exact replacement or a confirmed cross-reference.
Default 65Mn spring steel, 40-50 HRC edge. Boron steel 30MnB5 with G6.3 balancing available for OEM-grade replacement.
Yes - we accept sample pieces for testing before bulk. Sample fee refundable on confirmed bulk order.