HRR4-20200100-R3.0 4 Flute Corner Rad End Mill for Titanum and HRSA 20mm Diameter R3.0 AlTiN-ZrN Coated

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(Exc. 20% VAT)(£108.00 Inc. VAT)

Model: HRR4-20200100-R3.0
Brand: APT Carbide End Mills

Shipped Weight: 479 g

Availability:

In stock, immediate despatch

APT Carbide End Mills

Carbide End Mills APT Brand

HRR4-20200100-R3.0, 4 Flute Corner Radius Carbide End Mill for Titanum and HRSA 20mm Diameter 3mm Corner Radius AlTiN-ZrN Coated 60HRC.

Performs excellent on Titanium Alloys, works well on other HRSA's, Heat Restistant Supper Alloys including Inconel, Cobalt, Nickel and Iron Based Alloys also for 304 and 316 Series Stainless Steel and moderately difficult Stainless,Grey Cast Iron, Soft and Hardened Steels.

Variable Helix with Irregular Flute Spacing for Reduced Vibration and Improved Surface Finish.

Good for materials up to 60HRC.

Helix Angle 38/41° Variable.

Dimensions for HRR4-20200100-R3.0 (mm)

Dia	Corner Rad	Shank Dia	Length	Flute Length	Diameter Tolerance	Grain Size
20	3.0	20	100	45	+0, -0.02	0.003 - 0.004

Speeds and Feeds for Side Milling, for Slot Milling Reduce Cutting Speed by 50-70% and Feed by 40-60%.

Use air coolant or high mist retardant liquid cooling.

Material	Cutting Speed VC: m/min	RPM mm/min	Feed mm/min	Application Choice
Titanium Alloys	100	1500	690	Good
Iron, Cobalt, Nickel Based HRSA	45	700	240	Good
Stainless Steel	150	2390	1100	Good
Cast Iron 32HRC	170	2710	1250	OK
Cast Iron 35-45HRC	150	2390	1020	Good
Carbon, Alloy Steel 45HRC	200	3190	1980	OK
Alloy Steel 50HRC	150	2390	910	Good
Hardened Steel 60HRC	120	1910	570	Good