{"product_id":"gibraltar-34056-locking-plunger-3-8-16-threaded-stud","title":"Gibraltar 34056 Locking Plunger 3\/8-16 Threaded Stud","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe GIBRALTAR 34056 is a locking knob handle plunger with a knobless threaded stud configuration, designed for use in indexing, positioning, and clamping applications on machinery, fixtures, and tooling setups. The plunger features a 3\/8-16 external thread with a 0.75-inch thread length, a maximum plunger diameter of 0.186 inches, and a spring end force range of 0.75 pounds initial to 4 pounds final. A built-in locking element holds the plunger in the retracted position, allowing hands-free operation during part loading or adjustment. This type of component is typically installed by machinists, tool and die technicians, and maintenance mechanics.\u003c\/p\u003e\n\u003cp\u003eThe 34056 is suited for use in light industrial and manufacturing environments where repeatable positioning and controlled spring force are required. Typical applications include jigs, fixtures, machine guards, and panel assemblies that require a retractable and lockable locating pin. The knobless threaded stud design allows the plunger to be mounted flush or with a custom knob added by the installer. The 5\/16-18 stud thread provides the mounting interface, while the 3\/8-16 body thread engages the mounting plate or housing.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eLocking plunger type holds the pin retracted without continuous hand pressure\u003c\/li\u003e\n  \u003cli\u003eSpring end force rated from 0.75 pounds initial to 4 pounds final for controlled engagement\u003c\/li\u003e\n  \u003cli\u003eKnobless threaded stud (5\/16-18) allows custom knob installation or flush mounting\u003c\/li\u003e\n  \u003cli\u003eMaximum plunger diameter of 0.186 inches with a plunger projection of 0.219 inches\u003c\/li\u003e\n  \u003cli\u003eLength under head\/shoulder of 0.969 inches accommodates standard panel thicknesses\u003c\/li\u003e\n  \u003cli\u003eCompact design with a total plunger length of 1.691 inches and head height of 0.406 inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard locking plunger replacement or new-install component for industrial fixtures, jigs, and machine assemblies using 3\/8-16 threaded mounting holes with a knobless stud configuration.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by threading the plunger body into a 3\/8-16 tapped hole in the mounting panel or housing to the desired depth. Secure the position using a jam nut against the panel face if retention under vibration is required. Ensure the plunger bore is free of debris and the locking mechanism moves freely before putting the assembly into service. A qualified mechanic or machine technician should verify spring travel and locking function after installation.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size (Body)\u003c\/strong\u003e: 3\/8-16\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 0.75 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStud Thread Size\u003c\/strong\u003e: 5\/16-18\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Plunger Diameter\u003c\/strong\u003e: 0.186 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlunger Diameter Tolerance\u003c\/strong\u003e: +0.001 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlunger Projection\u003c\/strong\u003e: 0.219 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlunger Length\u003c\/strong\u003e: 1.691 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength Under Head\/Shoulder\u003c\/strong\u003e: 0.969 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Height\u003c\/strong\u003e: 0.406 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInitial End Force\u003c\/strong\u003e: 0.75 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinal End Force\u003c\/strong\u003e: 4 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlunger Type\u003c\/strong\u003e: Locking\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKnob Style\u003c\/strong\u003e: Threaded Stud without Knob\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLocking Element\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.03 pounds\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: 34056\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GIBRALTAR","offers":[{"title":"Default Title","offer_id":51699295453490,"sku":"34056","price":46.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/5b54792d023b37f3867573c1fe8a2174_bab5f121-7a73-4b79-8647-3c2c32323258.jpg?v=1788374711","url":"https:\/\/voomisupply.com\/products\/gibraltar-34056-locking-plunger-3-8-16-threaded-stud","provider":"Voomi Supply","version":"1.0","type":"link"}