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ER Tool Extenders

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ER Tool Extenders - Southeast Tool

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.

ShankOverall LengthdiameterColletWrenchNutPart #
3/8" 124mm 12mm ER8 04620 SE23108 SE04889
1/2" 166.5mm 16mm ER11 04621 SE23111 SE04891
5/8" 158.5mm 16mm ER11 04621 SE23111 SE04893
1/2" 177mm 22mm ER16 04622 SE23116 SE04895
3/4" 165mm 22mm ER16 04622 SE23116 SE04896
3/4" 180mm 28mm ER20 04623 SE23120 SE04894
1" 168mm 28mm ER20 04623 SE23120 SE04897
3/4" 140mm 35mm ER25 04623 SE23125 SE04898
1" 190mm 35mm ER25 04623 SE23125 SE04888

Extenders have threaded thru holes for a backup screw. Includes nut.
Collet and wrench sold separately

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