HSS-Co 5% Threaded Shank Multi Flute Long Series End Mills - Inch

Long Series Type E431T
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 1/2”. Tolerance: +0.0025, -0.0005.
Diameter: Over 1 1/2”. Tolerance: +0.0050, -0.0000.