{"product_id":"us-pro-8521-3-4-industrial-air-impact-gun-900lb-us-pro","title":"US PRO 8521 3\/4\" Industrial air impact gun 900LB US PRO","description":"\u003ch2\u003eUS PRO 8521 3\/4\" Industrial air impact gun 900LB US PRO\u003c\/h2\u003e\n\u003cp\u003e\u003cbr\u003eThe US PRO 8521 is a professional-grade pneumatic impact wrench engineered for heavy-duty fastening applications. Featuring a robust 3\/4\" square drive and twin hammer mechanism, it delivers exceptional power with a maximum torque output of 1200N.m (885ft-lb). Operating at 4600 RPM free speed, this tool handles bolts up to 22mm with precision control via an adjustable moment bound range of 500-1100 N.m. The 3\/8\" air inlet accommodates standard workshop compressors at 6-8kg\/cm² pressure, whilst the 1.5\" air length ensures manoeuvrability in confined spaces. Ideal for automotive, industrial, and construction work requiring reliable, consistent performance.\u003c\/p\u003e\n\u003cp\u003eSquare drive： 3\/4\"\u003cbr\u003eFree speed: 4600r.p.m\u003cbr\u003eBolt capacity: 22mm\u003cbr\u003eMax.torque: 1200N.m(885ft-lb)\u003cbr\u003eHammer mechanism: Twin hammer\u003cbr\u003eAir inlet: 3\/8\"\u003cbr\u003eAir pressure: 6-8kg\/cm2\u003cbr\u003eAir length 1.5\"\u003cbr\u003eMoment bound: 500-1100 N.m\u003c\/p\u003e","brand":"US PRO","offers":[{"title":"Default Title","offer_id":56413530915196,"sku":"8521","price":114.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0558\/8199\/0342\/files\/8521-BM.jpg?v=1772181563","url":"https:\/\/toolshouse.co.uk\/products\/us-pro-8521-3-4-industrial-air-impact-gun-900lb-us-pro","provider":"Toolshouse.co.uk","version":"1.0","type":"link"}