3/8" ER20 Collet for Spindles

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This collet will accept tools with a 3/8" (9.525mm) shank. This is a clamping precision grade collet with a TIR (Total Indicated runout) of less than 0.01 mm, or 0.0004 inches. Thi s collet can be used to change to a 3/8" shank end mill on a 2.2kW Spindle. Show more