{"product_id":"5-16-18-x-7-16-x-7-8-a563-grade-a-hex-coupling-nut-zinc-plated","title":"5\/16-18 x 7\/16 x 7\/8 A563 Grade A Hex Coupling Nut ZInc Plated","description":"5\/16-18 x 7\/16 x 7\/8 A563 Grade A Hex Coupling Nut ZInc Plated . A double chamfered hex nut used to join to externally threaded parts of equal diameter and pitch, often two pieces of threaded rod. Manufactured from 1010 - 1018 equivalent steel. Hardness = Rockwell B68 - C32 Tensile strength = 60,000 psi. minimum. Note - there is no single standard for coupling nut dimensions. These values are offered as a guide; deviations from these specifications may occur.","brand":"FMW Fasteners","offers":[{"title":"Default Title","offer_id":29021846732822,"sku":"1585243751-2287","price":0.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0261\/2215\/8102\/products\/media_394x_dee43e12-f601-4510-9490-11a5b354cff6.jpg?v=1585602890","url":"https:\/\/toolsfortitans.myshopify.com\/en-us\/products\/5-16-18-x-7-16-x-7-8-a563-grade-a-hex-coupling-nut-zinc-plated","provider":"Titan Tools","version":"1.0","type":"link"}