... price nuts: USD7.4 3.Trustable company satisfing service fine er collet nut. Guangzhou Huarui Cutting Tools Co., Ltd, a manufacturer ... of milling tools, cutting tools and engraving tools and ER collet nut for processing material like arylic, MDF, PVC, lense, wood, aluminum ... as the prior choice. The following charge is only for your reference, cuz the charge change every month, so the final ...