Erickson™ DV V-Flange Shank Tooling System • DV50 Series Erickson V-Flange DV Taper Tooling is manufactured from premium materials and meets or exceeds the latest DIN 69871 specification and ISO-1947 taper accuracy of AT3 specification standards. The DV50 tools are either prebalanced to a high specification or balanced-by-design and will perform effectively up to 12,000 RPM. DV50 Notch in flange for orientation 2 drive slots at 180º opposed. also identifies shallow shot. • Equal width. • Unequal depth. Narrow flange with V-groove for tool changer arm. Metric thread for retention knob with pilot counterbore. DV DIN 69871 Form B/AD Shank NOTE: Inherent out-of-balance conditions due to notch and unequal depth of drive slots. F38 WWW.WIDIA.COM