{"product_id":"vlier-frs375-locking-l-handle-spring-plunger-3-8-16","title":"Vlier FRS375 Locking L Handle Spring Plunger 3\/8-16","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe VLIER FRS375 is a locking L handle spring plunger designed for positioning, locating, and indexing applications in industrial and mechanical assemblies. It features a 3\/8-16 threaded body with a 0.62 inch thread length and a 0.25 inch plunger diameter. The plunger delivers an initial end force of 0.25 pounds and a final end force of 1.25 pounds, making it well suited for light-duty locking and retention tasks. The steel construction provides durability in demanding shop and production environments. Machinists, toolmakers, and mechanical assemblers commonly install this type of plunger.\u003c\/p\u003e\u003cp\u003eThe FRS375 is used in jigs, fixtures, tooling plates, and machine components where repeatable positioning or spring-loaded retention is required. The L handle design allows manual actuation and locking without additional tools, making it practical for applications that require frequent adjustment or part changeover. It is appropriate for both light industrial and precision tooling environments.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eLocking L handle allows manual actuation and tool-free locking\u003c\/li\u003e\n\u003cli\u003e3\/8-16 thread size for standard installation into threaded bores\u003c\/li\u003e\n\u003cli\u003e0.62 inch thread length with 0.75 inch length under head\u003c\/li\u003e\n\u003cli\u003ePlunger projection of 0.3 inches provides consistent engagement depth\u003c\/li\u003e\n\u003cli\u003eInitial end force of 0.25 pounds, final end force of 1.25 pounds\u003c\/li\u003e\n\u003cli\u003eSteel handle material for durability in industrial use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a standard-thread spring plunger for use in threaded bores sized for 3\/8-16 fasteners, typical in industrial jigs, fixtures, and tooling plate assemblies.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by threading the plunger body into a tapped 3\/8-16 hole using the hex head, which measures 0.38 inches across. Ensure the receiving bore is clean and properly tapped to the correct depth before installation. Do not overtighten, as this may restrict plunger travel or damage the spring mechanism. Verify plunger projection and force requirements match the application before finalizing installation.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: 3\/8-16\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Length\u003c\/strong\u003e: 0.62 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Length\u003c\/strong\u003e: 1.13 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength Under Head\u003c\/strong\u003e: 0.75 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlunger Diameter\u003c\/strong\u003e: 0.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlunger Projection\u003c\/strong\u003e: 0.3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlunger Length\u003c\/strong\u003e: 1.13 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInitial End Force\u003c\/strong\u003e: 0.25 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinal End Force\u003c\/strong\u003e: 1.25 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlunger Type\u003c\/strong\u003e: Locking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle Length\u003c\/strong\u003e: 0.56 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle Diameter\u003c\/strong\u003e: 0.14 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle Material\u003c\/strong\u003e: Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHex Size\u003c\/strong\u003e: 0.38 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Height\u003c\/strong\u003e: 0.38 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength Between Head and Thread\u003c\/strong\u003e: 0.13 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: VLIER\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: FRS375\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VLIER","offers":[{"title":"Default Title","offer_id":52067696017714,"sku":"FRS375","price":27.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/7fceea53f236437773a738ba46baf9de_8585a8c7-939d-410c-bab0-db6a0f88aced.jpg?v=1790046528","url":"https:\/\/voomisupply.com\/products\/vlier-frs375-locking-l-handle-spring-plunger-3-8-16","provider":"Voomi Supply","version":"1.0","type":"link"}