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

Beveled External Ring Chart shows a selection of sizes available. For full specifications on the BEVELED EXTERNAL RING, click the download button.  Size No.     Ring Dimensions d3 t U a b d0 NT - 28 25.8 1.3 1.04 4.6 3.25 1.93 NT - 30 27.9 4.9 3.3 NT - 32 29.6 4.65 3.55 NT - 35 32.3 0.99 4.6 3.9 NT - 40 36.75 1.6 1.24 5.9 4.4 3.12 NT - 45 41.6 1.22 6 4.8 NT - 50 46.2 1.19 6.2 5.1 NT - 55 50.6 2 1.57 6.7 5.4 NT - 60 55.8 1.52 6.75 5.7