12mm Diameter 3 Flute Ripper for Aluminium HSS 8% Cobalt

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Model: AR3-12120083
Brand: APT Tools

Shipped Weight: 65g

Availability:

Only 85 left in stock - order soon

APT Tools

Tools for Indexable Inserts

12mm Diameter 3 Flute Ripper for Aluminium HSS High Speed Steel 8% Cobalt Un-coated.

12mm Shank Diameter, 26mm Flute Length, 83mm Overall Length.

Centre Cutting with Flatted Weldon Shank. These Roughing End Mills are Made using Quality High Quality High Speed Steel.

Suitable for Aluminium, Brass, Copper Alloys and other Non-ferrous Materials. It is possible to use on Plain Carbon Steel and low Alloy Steel but consider TiAlN Coated Cutters for these Materials.

High Helix 40° Flute with sharp edge providing good chip evacuation and reducing the chances for chip jamming giving an improved surface finish.

Dimensions for AR3-12120083 (mm)

Diameter	Shank Dia	Length	Flute Length	No of Flutes
12.0	12.0	83	26.0	3

Recommended Speeds and Feeds for Side Milling.

Plain Carbon Steel <500N/mm2	Carbon Steel, Alloy Steel 20HRC <800N/mm2	Alloy Steel, Tool Steel 30HRC <1000N/mm2	Alloy Steel, Tool Steel 40HRC <1300N/mm2	Aluminium & Aluminium Alloys
RPM 900 Feed 180 mm/min	RPM 800 Feed 140 mm/min	RPM 630 Feed 110 mm/min	RPM 400 Feed 70 mm/min	RPM 2000 Feed 400 mm/min

For slide milling, if depth of cut is more that 1.5D then reduce the recommended feed rate, start with 75% of the above values then increase to the above values to find the ideal parameters for your setup ideally the max run out should max <0.010mm with the maximum rigidity possible.

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