ER 16 ExtensionsER16 straight shank collet chuck extension are available with projections of 4, 6, or 8 inches and diameters ranging from . 75 inch up to 1. 25 inches. Each ER16 straight shank collet chuck extension comes with an ER16 collet nut. Collet chucks, collets, and additional collet nuts available for sale and same day shipment.

Retention knobs available separately for purchase

These are available for purchase separately

50 standard (Per ISO-1947) the 7/24 fast taper is hardened to 56-60 RC and precision ground to AT-3 standards

Tapers are held to AT3 and bores are concentric to the taper within

enhanced ability to hold tight limits

including deburring and V-cuts

which allows you to chamfer the top and bottom of large holes or plates up to 5/8" thick with the same tool

Designed with a square drive in the collet

0000 inches

providing optimal radial repetitive accuracy to your CNC machining center's tool-spindle

This product requires the use of a retention knob fitted to your machine specifications

Each ER20 straight shank collet chuck extension comes with an ER20 collet nut