HPI Pioneer bt40-er20h-070 BT40 ER20 Collet Chuck (Hex Nut) 2.76" Gage Length
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200104S ER20S-1/4" ER20 SEALED ER COLLET (INCH TYPE)
200104S ER20S-1/4" ER20 SEALED ER COLLET (INCH TYPE)
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220100 ER20-10.0-9.0 ER20 COLLET (METRIC TYPE)
220100 ER20-10.0-9.0 ER20 COLLET (METRIC TYPE)