Disc coulters
Disc blades with concave centre are the most recommended discs for high-speed disc harrows or light disc harrows. The most common model is reference 1966, which can be manufactured from 18" diameter. Made from BORODUR boron steel, exclusive to Bellota, they achieve guaranteed uniform hardness with an automatic control system.
Main product specifications
| Ref. | A | Part number | Ø 16 | Ø 18 | Ø 20 | Ø 22 | Ø 24 | Ø 26 | Ø 28 | Ø 30 | Ø 32 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1951 | 178 | B mm | 28 | 36,5 | 47,5 | 62,5 | 72 | ||||
| 1951 | D mm | 417 | 462 | 513 | 566 | 610 | |||||
| 1964 | 110 | B mm | 37 | 47 | 58 | ||||||
| 1964 | D mm | 414 | 439 | 510 | |||||||
| 1965 | 130 | B mm | 36 | 45 | 56 | 70 | 84 | ||||
| 1965 | D mm | 415 | 460 | 511 | 563 | 609 | |||||
| 1953 | 155 | B mm | 15 | 21 | 29 | 39 | 49 | 62 | 76 | ||
| 1953 | D mm | 421 | 466 | 518 | 572 | 620 | 674 | 724 | |||
| 1954 | 155 | B mm | 35 | 44 | 57 | ||||||
| 1954 | D mm | 415 | 458 | 510 | |||||||
| 1966 | 160 | B mm | 36 | 45 | 57 | 69 | 79 | 95 | 106 | 123 | |
| 1966 | D mm | 463 | 514 | 566 | 615 | 672 | 720 | 762 | 817 | ||
| 1956 | 170 | B mm | 10 | 11,5 | 14 | 17 | |||||
| 1956 | D mm | 406 | 457 | 508 | 582 | ||||||
| 1967/1968 | 180 | B mm | 16 | 22 | 28 | ||||||
| 1967/1968 | D mm | 422 | 457 | 520 |
All references have an outside bevel.
1968: outside 30º bevel
Consult the different concavities of the range of discs smaller than 16".
