| Brand | Yato |
| Entity responsible for this product in the EU | TOYA S.A.More |
| Series | GRD |
| Overall length | 460 mm |
| Diameter | 16 mm |
| Working part length | 360 mm |
| Toolholder type | SDS-Plus |
| Material | 40Cr |
| Working part material | S4 |
| Surface finish | refined |
| Blade material | YG-11C |
| Point configuration | X-tip |
| Spiral type | double |
| Pcs | 10 |
| Application | concrete, aerated concrete, silicates |
| Symbol | YT-4221 |
Classic four-blade drill bit for reinforced concrete with a blade resistant to damage upon contact with rebar. Use for drilling in reinforced concrete, silicate, ceramic brick.
The double helix prevents the drill from jamming when discharging a large amount of excavated material. The steel of the drill body is resistant to temperature expansion, so the drill does not lock in the chuck.
- material: 40Cr
- working part material: YG-11C
- blade type: cross-cut, X-tip
- spiral type: double
- surface finish: sand blasted
- tool holder type: sds plus
