{"product_id":"gibraltar-sbk-053-g-ball-knob-threaded-hole-steel","title":"Gibraltar SBK-053-G Ball Knob Threaded Hole Steel","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe GIBRALTAR SBK-053-G is a smooth-grip ball knob with a threaded hole mount, designed for use in mechanical assemblies, control panels, and equipment where a secure, hand-operated fastening point is needed. Machined from steel with a natural finish, it measures 1.88 inches in diameter and accepts a 1\/2-20 threaded shaft up to 0.75 inches deep. The smooth surface and spherical profile provide a comfortable grip for repeated manual adjustments. This type of hardware is installed by maintenance technicians, industrial mechanics, and trade professionals working on control equipment, fixtures, and mechanical enclosures.\u003c\/p\u003e\n\u003cp\u003eThe SBK-053-G is suited for light to medium-duty applications where a hand-tightenable knob is required on a threaded stud or bolt. Common use cases include machine guards, access panels, equipment covers, and adjustable fixtures in commercial and industrial settings. The 1\/2-20 thread size is a standard unified fine thread, making this knob compatible with a wide range of threaded fasteners used across trade and industrial environments.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eThreaded hole mount with 1\/2-20 thread size for secure engagement on standard fine-thread studs\u003c\/li\u003e\n  \u003cli\u003e0.75-inch hole depth provides adequate thread engagement for reliable hand-tightened holding force\u003c\/li\u003e\n  \u003cli\u003e1.88-inch diameter spherical body allows comfortable grip without tools\u003c\/li\u003e\n  \u003cli\u003eSteel construction offers durability in mechanical and industrial service environments\u003c\/li\u003e\n  \u003cli\u003eNatural finish — no coating to chip or flake in service conditions\u003c\/li\u003e\n  \u003cli\u003eSmooth grip surface suits applications where gloved-hand operation is common\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a direct-mount ball knob for any 1\/2-20 threaded stud or bolt in mechanical assemblies, control enclosures, and equipment panels requiring tool-free hand adjustment.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation requires only threading the knob onto a compatible 1\/2-20 stud or bolt by hand. Ensure the mating thread is clean and free of burrs before engagement to avoid cross-threading or premature wear. De-energize or lock out any equipment before replacing knobs on live control panels or moving assemblies. Do not use impact tools on this knob — it is rated for hand-tightening only.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMount Type\u003c\/strong\u003e: Threaded Hole\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 1\/2-20\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 1.88 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHole Depth\u003c\/strong\u003e: 0.75 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKnob Material\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrip Type\u003c\/strong\u003e: Smooth\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor\/Finish\u003c\/strong\u003e: Natural\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31162801\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: GIBRALTAR\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: SBK-053-G\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GIBRALTAR","offers":[{"title":"Default Title","offer_id":51716436558130,"sku":"SBK-053-G","price":19.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/a6f83e4e443df205abb3e885bab671a6.jpg?v=1788526067","url":"https:\/\/voomisupply.com\/products\/gibraltar-sbk-053-g-ball-knob-threaded-hole-steel","provider":"Voomi Supply","version":"1.0","type":"link"}