All fractional size is true imperial size, not a metric conversion size. All collets are checked its runout individually on 4 contact points by a high tolerance bench marked testing rod. On size 1/8 and larger the. Under size 1/8 the runout is.
Each size of ER32 collet has collapsing range of. 039 (1 mm); the size of the collet is the largest size it can hold and able to hold anything smaller within the collapsing range. This collet size is true fractional size, not a metric converting size and the surface on this collet has been specially treated to increase its tool life. If you need to speak to a sales person feel free to call. We are open Monday through friday 8:30 to 5:00 est.The item "OUT OF STOCK 90 DAYS SHARS 10 Pcs 1/32 3/8 ER16 ER-16 COLLETS SET NEW 3/16 1/" is in sale since Tuesday, May 15, 2012. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Collets". The seller is "discount_machine" and is located in Saint Charles, Illinois. This item can be shipped to United States, Canada.