050in wall, drilled for quick release on both ends.Anodized 2-Way Centered Captive Fin Captive Fin Extended for 1/4in Panel by EZTube, Boltless, Silver, 48in L x 1in W x 1in H x 0.
5/16 X 3/8 X 2-1/2" 4 Flute M42 Cobalt Fine-Pitch Roughing End Mill ~ The pressure of the cut is distributed over many teeth. ~ Overall length is 2-1/2".
~ Shank diameter is 3/8". ~ Center cutting. ~ Recommended for high production milling in difficult-to-machine materials such as inconel, hasteloy, titanium alloys and other materials up to RC 40.