Description
The Heller 21311 0 Jobber Drill bit is engineered for superior durability and precision in challenging metalworking environments. Crafted from high-speed steel (HSS) with a 5% cobalt composition, this 7mm diameter drill bit is optimized for drilling in stainless steel and other high-alloy materials. The 135 split point ensures accurate centering without the need for pre-drilling, while the DIN 338 RN standard guarantees exceptional dimensional accuracy. This drill bit also features excellent concentricity, adhering to DIN 1414 standards, making it a reliable tool for professional use.
Specifications & Features:
| Feature | Detail |
|---|---|
| Pack Size | 10 |
| Diameter | 7 mm |
| Working Length | 69 mm |
| Overall Length | 109 mm |
| Material | HSS with 5% cobalt |
| Point Angle | 135 |
| Standard | DIN 338 RN, DIN 1414 |
| Application | Stainless steel, high-alloy |
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