Size:ER-16, Range: R8 x 4'' the drawbar thread for this collet chuck is 7/16'' - 20, ANSI Standard. If you need a Brand-New item of the same product. Discover more products here: Quality Machine Shop. 4-30 Fulton Way Richmond Hill, ON L4B 1E6 Canada. We will choose a carrier unless you indicate a preferred method.Listing and template services provided by inkFrog. The item "USED-R8 Shank + 6 Pcs/Set ER16 Collet System + Wrench in Fitted Box, #0223-0944U" is in sale since Tuesday, March 16, 2021. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Other Workholding". The seller is "quality_machine_shop" and is located in TORONTO, ONTARIO. This item can be shipped worldwide.