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HOFFMANN
DIN 333
Type A
111050 Series Center Drill
Precision HSS E Spiral Fluted Center Drill
Precision Centering
The HOFFMANN 111050 is a high-quality center drill manufactured from HSS E. It is ground from solid and relief ground with a spiral fluted design to ensure excellent chip removal and surface finish during the centering process.
Conforming to DIN 333 Type A, this tool is ideal for creating accurate center holes in workpieces, essential for stable turning and machining operations.
Key Technical Specifications
- • Countersink Angle: 60°.
- • Shank Tolerance: h7 (Parallel shank).
- • Nominal Diameter: 3.15 mm and 4 mm variants.
- • Tool Material: HSS E for high heat resistance.
Technical Data
| Nominal Ø (DC) | Shank Ø (Ds) | Workpiece Ø |
|---|---|---|
| 3.15 mm | 8 mm | 30-40 mm |
| 4 mm | 10 mm | 40-63 mm |
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