For contouring in carbon and tool steels. The E520B is designed for contouring applications in pre-hard and hardened steels. Added length and necked shank provide for stability when machining in deeper cavities. The AlTiN coating offers superior heat resistance and hardness for increased tool life.
in: d1: +0.000 / -0.002 d2: -0.0001 / -0.0004
| Decimal Diameter | Fractional Diameter | Flute Length | Length Below Shank | Number Of Flutes | Overall Length | Shank Diameter | Shank Type | Tool Type Size No | EDP | Price | Order | 0.2500 | 1/4 in | 1/4 in | 1-5/8 in | 2 | 3 in | 1/4 in | Plain | Ball End | 0333449 | $61.27 | 0.1250 | 1/8 in | 1/8 in | 3/8 in | 2 | 3 in | 1/4 in | Plain | Ball End | 0333447 | $63.48 | 0.1875 | 3/16 in | 3/16 in | 9/16 in | 2 | 3 in | 1/4 in | Plain | Ball End | 0333448 | $62.51 | 0.3750 | 3/8 in | 3/8 in | 2-1/4 in | 2 | 4 in | 3/8 in | Plain | Ball End | 0333451 | $83.02 | 0.5000 | 1/2 in | 1/2 in | 2-1/4 in | 2 | 4 in | 1/2 in | Plain | Ball End | 0333452 | $121.08 |
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