Loading... Please wait...ER Tool Extenders - Southeast Tool SE04888; 1in Shank, 190mm Overall length, 35mm Outside diameter, ER25 Collet, 04623 Wrench, SE23125 Nut.
Extension length should not exceed a 4:1 ratio of length to diameter. For example, a 1/2 shank should not extend more than 2 in front of the holder. This is true only for applications where the extension is rotating. Extenders have threaded thru holes for a backup screw. Includes nut. Collet and wrench sold separately