Long Neck End Mill 4mm Dia with 0.5mm Corner Rad 20mm Neck Length 60mm Long 68HRC

Long Neck End Mill 4mm Dia with 0.5mm Corner Rad 20mm Neck Length 60mm Long 68HRC
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Our Price:  £17.00
List Price:  £25.50
Saving Of:  £8.50 (33%)
(Exc. 20% VAT)(£20.40 Inc. VAT)

Model:  EHLN2R-0640R0.5-N20-60
Brand:  APT Carbide End Mills

Shipped Weight:  31 g

Availability:  

23 in stock, no more available  

23 in stock, no more available

APT Carbide End Mills

Carbide End Mills APT Brand


Long Neck Rib Processing End Mill 4mm Diameter with 0.5mm Corner Radius 20mm Neck Length 6mm Plain Shank 60mm Long 5mm Flute Length 2 Flutes TiAlN F-NaNo Blue Coated.

Reduced neck allows deep slotting, corner radius reduces the chance of chipping during high speed machining operations and helps to improve surface finish.

Suitable for high speed dry cutting.

For General Use on High Hardness Materials up to 65-68HRC, performs well on Heat Resistant and Steel Alloys 30-45HRC, Pre-hardened, Hardened Steel 45-55HRC, High Hardened Steel 55-68HRC.

Dimensions for EHLN2R-0640R0.5-N20-60 (mm)
Diameter Corner Rad Shank Dia Flute Length Neck Length Length Neck Dia
4.0 0.5 6 5.0 20 60 3.85
 
Recommended Speeds and Feeds for Slot Milling where Depth of Cut = 0.05 x Cutting Diameter, it may be necessary to reduce the values for longer neck cutters.
Heat Resistant and Steel Alloys 30-40HRC Pre Hardened, Hardened Steel 40-50HRC Pre Hardened, Hardened Steel 50-55HRC High Hardened Steel 55-60HRC High Hardened Steel 60-65HRC
RPM 16000 Feed 670 mm/min RPM 12700 Feed 536 mm/min

RPM 8500 Feed 338 mm/min

RPM 6900 Feed 205 mm/min RPM 5400 Feed 132 mm/min
 
Recommended Speeds and Feeds for Side Milling where Depth of Cut = 1 x Cutting Diameter and Width of Cut = 0.03 x Cutting Diameter, it may be necessary to reduce the values for longer neck cutters.
Heat Resistant and Steel Alloys 30-40HRC Pre Hardened, Hardened Steel 40-50HRC Pre Hardened, Hardened Steel 50-55HRC High Hardened Steel 55-60HRC High Hardened Steel 60-65HRC
RPM 16000 Feed 950 mm/min RPM 12700 Feed 768 mm/min RPM 8500 Feed 480 mm/min RPM 6900 Feed 290 mm/min RPM 5400 Feed 186 mm/min

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