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                          Long Series E430T.
Used for profile milling and producing open slots. Bright finish. Flute type: 30 helix. Manufactured to BS 122 : Part 4 : 1980.
Inch Tolerances:
Diameter: up to 1/2". Tolerance: +0.0025, 0.0005.
Diameter: Over 1/2". Tolerance: +0.0050, 0.0000.
                        
| System of Measurement | Inch | 
| Series | E304T | 
| End Mill Type | End Mill | 
| Standards Met | BS 122 | 
| Material Grade | M2 | 
| Length Type | Long | 
| Cutter Diameter | 3/8in | 
| Number of Flutes | 4 | 
| Flute Type | Helical | 
| Overall Length | 3-1/4in | 
| Cutter Diameter Tolerance | K10 | 
| Shank Diameter Tolerance | H6 | 
| Product Type | End Mills | 
| Cutting Direction | Right Hand | 
| Material | HSS | 
| Finish/Coating | Bright | 
| Flute Length | 1-5/8in | 
| Shank Diameter | 3/8in | 
| Coolant Delivery | External | 
| Shank Type | Threaded | 
| Cutter Style | Square End | 
| Plunge Type | Non-centre Cutting | 
| Milling Cutter Type | End Mills | 
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