OCHIAI Products are available from MARYLAND METRICS
You may use our RFQ (request for quotation form)
web: mdmetric.com        e-mail

Inverted External Ring Chart shows a selection of sizes available. For full specifications on the INVERTED EXTERNAL RING, click the download button.  Size No.     Ring Dimensions d3 d4 t h d0    ISTW -  6 5.6 8.0 0.5 1.2 2.2    ISTW -  7 6.5 9.3 0.6 1.4 2.4    ISTW -  8 7.4 10.6 0.7 1.6 3.0    ISTW -  9 8.4 12.0 0.8 1.8 3.4    ISTW - 10 9.3 13.3 1 2 1.2    ISTW - 11 10.2 14.4 2.1    ISTW - 12 11.1 15.5 2.2    ISTW - 13 12 16.6 2.3    ISTW - 14 12.9 17.5    ISTW - 15 13.8 18.6 2.4    ISTW - 16 14.7 19.7 2.5    ISTW - 17 15.7 20.9 2.6    ISTW - 18 16.5 21.9 1.2 2.7 1.5    ISTW - 19 17.5 23.1 2.8    ISTW - 20 18.5 24.3 2.9