{"product_id":"threaded-1-8-backplate-adapter-for-5-lathe-chucks-3900-3308","title":"THREADED 1-8 BACKPLATE\/ADAPTER FOR 5\" LATHE CHUCKS (3900-3308)","description":"\u003cp\u003eThreaded 1-8 Backplate\/Adapter for 5\" Lathe Chucks No bolt holes. Machining is required before mounting your chuck to ensure concentricity. For 3 \u0026amp; 4-jaw chucks. A is 125mm. B is 1\"-8. D is 25.4mm smooth bore. E is 5mm. F is 56mm. G is 10mm. g is 4mm. G + h is 26mm. g + H is 30mm. K is 100mm. Shipping Weight: 3.9 lbs\u003c\/p\u003e","brand":"MACHINEX","offers":[{"title":"Default Title","offer_id":52485216174391,"sku":"3900-3308","price":75.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/0082\/6679\/files\/3900-3308_3900-3304_2026_20a_2.jpg?v=1781635169","url":"https:\/\/machinexsupplies.com\/products\/threaded-1-8-backplate-adapter-for-5-lathe-chucks-3900-3308","provider":"MACHINEX Supplies","version":"1.0","type":"link"}