The Yato YT-44739 step drill is engineered for precision drilling in high-quality stainless steel, structural steel, cold rolled steel, non-ferrous metals, steel sheets, and plastics.
It features 10 steps from 6 mm to 35 mm, ensuring versatility and accuracy. The drill provides automatic centering on rounded and slippery surfaces, preventing walking, while the titanium nitride coating increases tool life and ensures rapid heat dissipation when drilling hard materials.
The Yato YT-44739 step drill has a triangle shank with 3 flat surfaces, allowing maximum torque transfer and secure grip in the chuck.
TECHNICAL DETAILS:
| Specification | Details |
| Brand | Yato |
| Model | YT-44739 |
| Series | GRD |
| Product Type | Step Drill |
| Diameters | 6, 10, 13, 16, 19, 22, 25, 29, 32, 35 mm |
| Rung Quantity | 10 |
| Working Length | 45 mm |
| Overall Length | 75 mm |
| Max Cutting Capacity | 4 mm |
| Toolholder Type | Triangle (3 flat surfaces for torque transfer) |
| Material | HSS 4241 |
| Surface Finish | Titanium Nitride Coated |
| Application | Stainless steel, structural steel, cold rolled steel, non-ferrous metals, steel sheets, plastic |
| Hole Quality | Clean edges, burr-free, automatic centering, rapid heat dissipation |
| Number of Pieces | 1 |
| Pack Quantity | 1 |
| Is it a Set | No |
| CE Mark | No |
| Packaging | PE Bag |
| Entity Responsible (EU) | TOYA S.A. |







