{"product_id":"proster-pneumatic-rivet-gun-3924lbf-5-nozzles-3-32-1-4-high-pull-air-riveter-lightweight-aluminum","title":"Proster Pneumatic Rivet Gun 3924LBF — 5 Nozzles 3\/32\"–1\/4\" High-Pull Air Riveter, Lightweight Aluminum","description":"\u003cp\u003e\u003cstrong\u003eThe Proster pneumatic rivet gun is a high-power air riveter delivering 3924 lbf (1780 kgf) pull force with five interchangeable nozzles for 3\/32\" to 1\/4\" rivets, built for heavy-duty workshop and marine use.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for tradespeople and serious DIYers, the Proster 3924LBF rivet gun combines aircraft‑grade aluminum construction, a 3‑claw gripping system, and a fast-return U.S.-spec air inlet to speed through aluminum, iron, and standard steel rivets. It ships with five nosepieces and an extra set of jaw pieces, plus a mandrel collection bottle to keep your workspace tidy.\u003c\/p\u003e\n\n\u003ch3\u003eHow much power does this air riveter provide and what rivet sizes can it handle?\u003c\/h3\u003e\n\n\u003cp\u003eThis rivet gun generates a maximum pulling force of 1780 kgf (3924 lbf) at 6–8 kgf\/cm² air pressure and a 16 mm stroke. It accepts rivet diameters of 3\/32\" (2.4 mm), 1\/8\" (3.2 mm), 5\/32\" (4 mm), 3\/16\" (4.8 mm), and 1\/4\" (6.4 mm) via five included nozzles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMax pull: 3924 lbf \/ 1780 kgf for tough rivets\u003c\/li\u003e\n  \u003cli\u003eRivet diameters: 2.4–6.4 mm (3\/32\"–1\/4\")\u003c\/li\u003e\n  \u003cli\u003eMaximum stroke: 16 mm — rivets 10–16 mm may require two pulls\u003c\/li\u003e\n  \u003cli\u003eWorks with aluminum, iron, and standard steel rivets (not recommended for stainless steel)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat design features improve durability and uptime?\u003c\/h3\u003e\n\n\u003cp\u003eProster built this tool with a 3‑claw, 360° gripping design and spare jaw pieces to extend service life and reduce downtime. Aircraft‑grade aluminum keeps weight low (about 1.55 kg) while maintaining strength for frequent use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3‑claw jaw system for secure mandrel capture and even force distribution\u003c\/li\u003e\n  \u003cli\u003eExtra set of jaw pieces included for quick replacement on the job\u003c\/li\u003e\n  \u003cli\u003eSilencer fitted to reduce exhaust noise during operation\u003c\/li\u003e\n  \u003cli\u003eErgonomic air inlet for rapid cylinder return and faster cycle times\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich applications is this rivet gun best suited for and how is cleanup handled?\u003c\/h3\u003e\n\n\u003cp\u003eThe Proster riveter is aimed at automotive, marine, HVAC, metal fabrication, and general workshop projects where consistent, high‑force riveting is required. It includes a mandrel collection bottle to catch spent stems, keeping work areas cleaner and simplifying disposal.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIdeal for auto bodywork, boat building, ductwork, gutters, trailers, and DIY metal repairs\u003c\/li\u003e\n  \u003cli\u003eMandrel bottle captures spent mandrels for easy cleanup\u003c\/li\u003e\n  \u003cli\u003eLightweight build supports extended use without excessive fatigue\u003c\/li\u003e\n  \u003cli\u003eCertified recycled materials (GRS 4.0) reduce environmental impact\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Proster 3924LBF pneumatic rivet gun suits professional mechanics, boat builders, metal fabricators, and committed hobbyists who need reliable high‑pull performance with quick changeover between common rivet sizes. If you frequently work with aluminum, iron, or standard steel rivets and want a tool that balances power, durability, and waste‑reducing design, this riveter is built for your toolbox. Note: if your projects require stainless steel rivets, choose a tool and rivets rated specifically for that material to avoid premature wear.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this rivet gun break all rivet materials?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It handles aluminum, iron, and standard steel rivets reliably. It is not recommended for stainless steel rivets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Why might a rivet need two pulls to break?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The tool stroke is 16 mm but rivets break after 10 mm; rivets 10–16 mm long may require two pulls.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Proster","offers":[{"title":"Default Title","offer_id":48079894806686,"sku":"B0DQXMH6GK","price":99.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/proster-front-view.jpg?v=1785774768","url":"https:\/\/northtrailauto.ca\/products\/proster-pneumatic-rivet-gun-3924lbf-5-nozzles-3-32-1-4-high-pull-air-riveter-lightweight-aluminum","provider":"North Trail Auto","version":"1.0","type":"link"}