The widest range of concave discs from 10" to 36" with various types of edges, concavities, waves and notches. Manufactured in BORODUR boron steel exclusive to Bellota or with inPHInium steel for greater performance. Discs with drawn centre and without central hole are also manufactured to measure.
Concave discs for disc harrows and disc ploughs
Concave discs are used throughout the world on disc harrows for both secondary tillage and deep work, depending on the diameter and spacing between discs, as well as the machine load.
Bellota harrow disc characteristics:
- BORODUR boron steel exclusive to Bellota with specific micro-alloys for improved performance.
- Exclusive INPHINIUM steel for superior performance.
- Uniform hardness throughout the entire disc guaranteed with automatic controls during heat treatment.
- Turned edges, precise and uniform, achieving optimum soil penetration.
- Passes the ball test, or toughness test.
The importance of optimum hardness in harrow discs:
Adequate disc hardness is essential to ensure maximum disc wear resistance whilst having the ability to bend and recover its shape without breaking. Both BORODUR and INPHINIUM steel discs achieve the perfect balance between hardness and toughness.
Harrow disc range
Bellota offers a wide range of discs with different shapes, concavities, edges, centre holes, satellite holes, for concavities from 10" to 36".
The most popular sizes are 22-inch harrow discs, 24-inch harrow discs, 26-inch harrow discs, and 28-inch harrow discs.
