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

Inverted Internal Ring Chart shows a selection of sizes available. For full specifications on the INVERTED INTERNAL RING, click the download button.  Size No.     Ring Dimensions d3 d4 t h d0 IRTW - 10 11.1 7.7 1 1.7 0.9 IRTW - 11 12.2 8.6 1.8 IRTW - 12 13.3 9.7 1.8 IRTW - 13 14.1 10.9 1.6 IRTW - 14 15.1 11.7 1.7 IRTW - 15 16.2 12.6 1.8 IRTW - 16 17.3 13.5 1.9 IRTW - 17 18.3 14.3 2 IRTW - 18 19.5 15.3 2.1 1 IRTW - 19 20.5 16.1 2.2 IRTW - 20 21.5 16.9 2.3