A1231-4.25 Type N, HSS Jobber Drill, FNZ, Left Hand
| Drill Bit Size / Cutting Diameter (DC) | 4.25 mm | Standard | DIN 338 |
| Decimal Equivalent | 0.1673″ | Connection Diameter Machine Side (DCONMS) | 5.4 mm |
| Measurement Type | Metric | L Group | 8xD |
| Cutting Edge Material | HSS | Tool Radius | 118 Degrees |
| Coolant Supply Property (CSP) | External | Series/List # | A1231 |
| Helix Angle | CCW|30 Degrees | Flute Count (NOF) | 2 |
| Shank Type | Round | Overall Length (OAL) | 75 mm |
Product Features
| Family Description | A1231–4.25 | Country of Origin | Germany |
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Package Weight
0.132
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