{"product_id":"lone-star-5-8-11unc-x-4-1-2","title":"LONE STAR 5\/8\"-11UNC X 4.1\/2\"","description":"\u003cdiv class=\"productDescription\"\u003eThe \u003cstrong\u003eLone Star 5\/8'-11 UNC × 4-1\/2' ASTM A193 Grade B7 Stud Bolt Assembly\u003c\/strong\u003e is a premium high-strength fastening solution designed for critical bolted flange joints in demanding industrial applications. Manufactured from heat-treated chromium-molybdenum alloy steel in accordance with \u003cstrong\u003eASTM A193 Grade B7\u003c\/strong\u003e, and supplied complete with \u003cstrong\u003etwo ASTM A194 Grade 2H heavy hex nuts\u003c\/strong\u003e, this stud bolt assembly delivers outstanding tensile strength, durability, and reliable clamping performance under high-pressure and high-temperature operating conditions. The \u003cstrong\u003ezinc dull base coating with Xylan® 1070 blue fluoropolymer finish\u003c\/strong\u003e provides enhanced corrosion resistance, reduced friction, and excellent anti-galling properties, ensuring consistent preload and extended service life in harsh environments. Ideal for use in the oil and gas, petrochemical, power generation, marine, and process industries, the assembly is well suited for pressure vessels, pipelines, valves, heat exchangers, and critical flange connections where long-term reliability and performance are essential.\u003c\/div\u003e\u003cbr\u003e","brand":"APSS Store","offers":[{"title":"Default Title","offer_id":58619996307759,"sku":"APSS-ITEM-00015882","price":0.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0835\/5826\/9231\/files\/BC_Upload_0f087c3c-cbd3-4e22-8c7e-de387fb56dc4.jpg?v=1791436994","url":"https:\/\/onlinestore.apss.com\/vi\/products\/lone-star-5-8-11unc-x-4-1-2","provider":"APSS Store","version":"1.0","type":"link"}