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Left hand spiral flute, right hand cutting. Manufactured to BS 122.
INCH TOLERANCES:
Diameter: ~ up to 1/8". Tolerance: High +0.0003, Low -0.0001.
Diameter: Over 1/8" ~ up to 15/64". Tolerance: High +0.0004, Low -0.0002.
Diameter: Over 15/64" ~ up to 3/8". Tolerance: High +0.0005, Low -0.0002.
Diameter: Over 3/8" ~ up to 5/8". Tolerance: High +0.0006, Low -0.0003.
| Material | HSS |
| Diameter Tolerance | 0.0003 - 0.0001 |
| Material Grade | M2 |
| Shank Type | Straight |
| Flute Length | 13/16in |
| Reamer Diameter | 1/16in |
| Flute Type | Left Hand Spiral |
| Standards Met | BS 328-4 |
| Finish/Coating | Steam Tempered |
| Reamer Type | Fixed |
| Overall Length | 1-3/4in |
| Number of Flutes | 4 |
| Length Type | Standard Length |
| Cutting Direction | Right Hand |
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