{"product_id":"um-type-er20-collet-chuck-nut-3900-0689","title":"UM-TYPE ER-20 COLLET CHUCK NUT (3900-0689)","description":"\u003cp\u003eUM-Type ER-20 Collect Chuck Nut Balanced to 18,000 RPM Tolerance is .0003\" Maximum Material is 42 CrMo Hardness is HRC 50-52 Thread Tolerance Class is 4H-Class Thread is M25 X 1.5 D is 35 mm L is 19 mm Shipping Weight: 0.2 lbs\u003c\/p\u003e","brand":"MACHINEX","offers":[{"title":"Default Title","offer_id":52485240586551,"sku":"3900-0689","price":28.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/0082\/6679\/files\/3900-0689_3900-0689a6419_4.jpg?v=1781635728","url":"https:\/\/machinexsupplies.com\/products\/um-type-er20-collet-chuck-nut-3900-0689","provider":"MACHINEX Supplies","version":"1.0","type":"link"}