Type: Harrow tooth
Spring tooth for harrow AS21-20.00.001 ; tooth harrows: BZSS-1.0, BZTS-1.0; for cultivators: KPE-3.8, KPS-4 (for harrow equipment); for mesh harrows: BSO-4 (in some modifications); for harrows Altajspecztexnika (АС-21).
| Diameter, mm | 16 |
| Steel grade | 60С2А; EN-1 ; В-2; 60С2ХФА |
| Material, GOST | GOST 14959-2017 |
| Covered | Polimeric poweder |
| Rockwell hardness | HRc 43/52 |