{"product_id":"sto-stw-flo-flw-safety-chuck-air-shaft","title":"Factory Direct STO\/STW \u0026 FLO\/FLW Safety Chuck for Air Shafts | 400Nm High Torque","description":"\u003ch1 data-section-id=\"z42d4m\" data-start=\"1125\" data-end=\"1182\"\u003eSTO\/STW \u0026amp; FLO\/FLW Safety Chuck for Air Expanding Shafts\u003c\/h1\u003e\n\u003cp data-start=\"1184\" data-end=\"1389\"\u003e  The XW Machinery STO\/STW and FLO\/FLW Safety Chuck is designed for high-speed winding and unwinding systems in printing, slitting, packaging, film converting, lithium battery, textile, and paper industries.\u003c\/p\u003e\n\u003cp data-start=\"1391\" data-end=\"1603\"\u003e  Built for stable torque transmission and fast shaft loading\/unloading, this industrial safety chuck provides a secure and efficient connection for air expanding shafts while reducing downtime during roll changes.\u003c\/p\u003e\n\u003cp data-start=\"1605\" data-end=\"1828\"\u003e  Available in both flange-mounted (FLO\/FLW) and foot-mounted (STO\/STW) configurations, our safety chucks are manufactured with high-strength alloy steel or lightweight aluminum options to meet different machine requirements.\u003c\/p\u003e\n\u003chr data-start=\"1830\" data-end=\"1833\"\u003e\n\u003ch1 data-section-id=\"u0ybrq\" data-start=\"1835\" data-end=\"1849\"\u003eKey Features\u003c\/h1\u003e\n\u003cul data-start=\"1851\" data-end=\"2267\"\u003e\n\u003cli data-section-id=\"1aqlgnl\" data-start=\"1851\" data-end=\"1889\"\u003eHigh torque transmission up to 400Nm\u003c\/li\u003e\n\u003cli data-section-id=\"elvbm2\" data-start=\"1890\" data-end=\"1928\"\u003eFast air shaft loading and unloading\u003c\/li\u003e\n\u003cli data-section-id=\"n0stpw\" data-start=\"1929\" data-end=\"1972\"\u003eCompatible with most pneumatic air shafts\u003c\/li\u003e\n\u003cli data-section-id=\"1yar141\" data-start=\"1973\" data-end=\"2014\"\u003eAvailable in STO\/STW and FLO\/FLW models\u003c\/li\u003e\n\u003cli data-section-id=\"1atowkb\" data-start=\"2015\" data-end=\"2051\"\u003eCustom square hole sizes available\u003c\/li\u003e\n\u003cli data-section-id=\"150a50b\" data-start=\"2052\" data-end=\"2089\"\u003eHeavy-duty alloy steel construction\u003c\/li\u003e\n\u003cli data-section-id=\"1d0g1s2\" data-start=\"2090\" data-end=\"2126\"\u003eOptional lightweight aluminum body\u003c\/li\u003e\n\u003cli data-section-id=\"h31azv\" data-start=\"2127\" data-end=\"2168\"\u003eStable operation at high winding speeds\u003c\/li\u003e\n\u003cli data-section-id=\"chd1ey\" data-start=\"2169\" data-end=\"2215\"\u003ePrecision machining for accurate positioning\u003c\/li\u003e\n\u003cli data-section-id=\"14qypl5\" data-start=\"2216\" data-end=\"2267\"\u003eLong service life with hardened reel mouth design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2269\" data-end=\"2272\"\u003e\n\u003ch1 data-section-id=\"eqhums\" data-start=\"2274\" data-end=\"2291\"\u003eAvailable Types\u003c\/h1\u003e\n\u003ch2 data-section-id=\"5a388\" data-start=\"2293\" data-end=\"2318\"\u003eSTO \/ STW Safety Chuck\u003c\/h2\u003e\n\u003cp data-start=\"2320\" data-end=\"2433\"\u003eFoot-mounted safety chuck design suitable for rewinding and unwinding systems requiring stable base installation.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1yc99js\" data-start=\"2435\" data-end=\"2460\"\u003eFLO \/ FLW Safety Chuck\u003c\/h2\u003e\n\u003cp data-start=\"2462\" data-end=\"2559\"\u003eFlange-mounted safety chuck suitable for compact machine structures and side-frame installations.\u003c\/p\u003e\n\u003chr data-start=\"2561\" data-end=\"2564\"\u003e\n\u003ch1 data-section-id=\"c3mln3\" data-start=\"2566\" data-end=\"2580\"\u003eApplications\u003c\/h1\u003e\n\u003cp data-start=\"2582\" data-end=\"2617\"\u003eThe safety chuck is widely used in:\u003c\/p\u003e\n\u003cul data-start=\"2619\" data-end=\"2884\"\u003e\n\u003cli data-section-id=\"xnjm20\" data-start=\"2619\" data-end=\"2638\"\u003eSlitting machines\u003c\/li\u003e\n\u003cli data-section-id=\"1egwga9\" data-start=\"2639\" data-end=\"2671\"\u003eFlexographic printing machines\u003c\/li\u003e\n\u003cli data-section-id=\"mbenhl\" data-start=\"2672\" data-end=\"2703\"\u003eRotogravure printing machines\u003c\/li\u003e\n\u003cli data-section-id=\"1a5sdak\" data-start=\"2704\" data-end=\"2725\"\u003eLaminating machines\u003c\/li\u003e\n\u003cli data-section-id=\"m30gp3\" data-start=\"2726\" data-end=\"2744\"\u003eCoating machines\u003c\/li\u003e\n\u003cli data-section-id=\"gxxvnd\" data-start=\"2745\" data-end=\"2766\"\u003ePackaging machinery\u003c\/li\u003e\n\u003cli data-section-id=\"1gycj2z\" data-start=\"2767\" data-end=\"2794\"\u003eFilm converting equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1dbpzzn\" data-start=\"2795\" data-end=\"2829\"\u003eLithium battery production lines\u003c\/li\u003e\n\u003cli data-section-id=\"1xfg1h3\" data-start=\"2830\" data-end=\"2855\"\u003eTextile winding systems\u003c\/li\u003e\n\u003cli data-section-id=\"1r8eahn\" data-start=\"2856\" data-end=\"2884\"\u003ePaper processing machinery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2886\" data-end=\"2889\"\u003e\n\u003ch1 data-section-id=\"zjxypn\" data-start=\"2891\" data-end=\"2917\"\u003eTechnical Specifications\u003c\/h1\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2919\" data-end=\"3330\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2919\" data-end=\"2943\"\u003e\n\u003ctr data-start=\"2919\" data-end=\"2943\"\u003e\n\u003cth data-start=\"2919\" data-end=\"2926\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eItem\u003c\/th\u003e\n\u003cth data-start=\"2926\" data-end=\"2943\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2954\" data-end=\"3330\"\u003e\n\u003ctr data-start=\"2954\" data-end=\"3003\"\u003e\n\u003ctd data-start=\"2954\" data-end=\"2969\" data-col-size=\"sm\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-start=\"2969\" data-end=\"3003\" data-col-size=\"sm\"\u003eSTO\/STW \/ FLO\/FLW Safety Chuck\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3004\" data-end=\"3037\"\u003e\n\u003ctd data-start=\"3004\" data-end=\"3022\" data-col-size=\"sm\"\u003eTorque Capacity\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3022\" data-end=\"3037\"\u003eUp to 400Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3038\" data-end=\"3075\"\u003e\n\u003ctd data-start=\"3038\" data-end=\"3049\" data-col-size=\"sm\"\u003eMaterial\u003c\/td\u003e\n\u003ctd data-start=\"3049\" data-end=\"3075\" data-col-size=\"sm\"\u003eAlloy Steel \/ Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3076\" data-end=\"3125\"\u003e\n\u003ctd data-start=\"3076\" data-end=\"3092\" data-col-size=\"sm\"\u003eMounting Type\u003c\/td\u003e\n\u003ctd data-start=\"3092\" data-end=\"3125\" data-col-size=\"sm\"\u003eFoot Mounted \/ Flange Mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3126\" data-end=\"3172\"\u003e\n\u003ctd data-start=\"3126\" data-end=\"3148\" data-col-size=\"sm\"\u003eShaft Compatibility\u003c\/td\u003e\n\u003ctd data-start=\"3148\" data-end=\"3172\" data-col-size=\"sm\"\u003eAir Expanding Shafts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3173\" data-end=\"3204\"\u003e\n\u003ctd data-start=\"3173\" data-end=\"3185\" data-col-size=\"sm\"\u003eHole Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3185\" data-end=\"3204\"\u003eSquare \/ Custom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3205\" data-end=\"3250\"\u003e\n\u003ctd data-start=\"3205\" data-end=\"3219\" data-col-size=\"sm\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-start=\"3219\" data-end=\"3250\" data-col-size=\"sm\"\u003eWinding \u0026amp; Unwinding Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3251\" data-end=\"3300\"\u003e\n\u003ctd data-start=\"3251\" data-end=\"3271\" data-col-size=\"sm\"\u003eSurface Treatment\u003c\/td\u003e\n\u003ctd data-start=\"3271\" data-end=\"3300\" data-col-size=\"sm\"\u003eHardened \/ Anti-corrosion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3301\" data-end=\"3330\"\u003e\n\u003ctd data-start=\"3301\" data-end=\"3317\" data-col-size=\"sm\"\u003eCustomization\u003c\/td\u003e\n\u003ctd data-start=\"3317\" data-end=\"3330\" data-col-size=\"sm\"\u003eAvailable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/pneumatic_air_shaft_safety_chuck_system_drawing_dimensions.png?v=1780128458\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/pneumatic_air_shaft_safety_chuck_Install_drawing_size_28_type.png?v=1780128418\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/35_type_pneumatic_air_shaft_safety_chuck_drawing-parameter-size.png?v=1780128523\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/50_type_pneumatic_air_shaft_safety_chuck_drawing-parameter-size.png?v=1780128541\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/75_type_pneumatic_air_shaft_safety_chuck_drawing-parameter-size.png?v=1780128569\" alt=\"\"\u003e\u003c\/p\u003e\n\u003chr data-start=\"3332\" data-end=\"3335\"\u003e\n\u003ch1 data-section-id=\"1bq1ue2\" data-start=\"3337\" data-end=\"3377\"\u003eWhy Choose XW Machinery Safety Chucks?\u003c\/h1\u003e\n\u003cp data-start=\"3379\" data-end=\"3533\"\u003eAt \u003cspan class=\"\" data-state=\"closed\"\u003e\u003ca class=\"decorated-link\" rel=\"noopener\" href=\"https:\/\/xw-machinery.com\" target=\"_blank\" title=\"Industrial Web Handling \u0026amp; Tension Control Solutions | XW-Machinery\"\u003eXW Machinery\u003c\/a\u003e\u003c\/span\u003e, we focus on high-precision tension control and winding system components for industrial converting applications.\u003c\/p\u003e\n\u003cp data-start=\"3535\" data-end=\"3572\"\u003eOur safety chucks are engineered for:\u003c\/p\u003e\n\u003cul data-start=\"3574\" data-end=\"3716\"\u003e\n\u003cli data-section-id=\"19azxhw\" data-start=\"3574\" data-end=\"3602\"\u003eSmooth torque transmission\u003c\/li\u003e\n\u003cli data-section-id=\"1hhg8sb\" data-start=\"3603\" data-end=\"3630\"\u003eReduced machine vibration\u003c\/li\u003e\n\u003cli data-section-id=\"1kbmef0\" data-start=\"3631\" data-end=\"3656\"\u003eFaster roll replacement\u003c\/li\u003e\n\u003cli data-section-id=\"1vbjvs0\" data-start=\"3657\" data-end=\"3679\"\u003eLong-term durability\u003c\/li\u003e\n\u003cli data-section-id=\"m2gv66\" data-start=\"3680\" data-end=\"3716\"\u003eStable operation under heavy loads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3718\" data-end=\"3756\"\u003eWe also support OEM customization for:\u003c\/p\u003e\n\u003cul data-start=\"3757\" data-end=\"3905\"\u003e\n\u003cli data-section-id=\"1fz1jxe\" data-start=\"3757\" data-end=\"3783\"\u003eSpecial shaft dimensions\u003c\/li\u003e\n\u003cli data-section-id=\"qjxw67\" data-start=\"3784\" data-end=\"3812\"\u003eCustom torque requirements\u003c\/li\u003e\n\u003cli data-section-id=\"1quaakt\" data-start=\"3813\" data-end=\"3840\"\u003eNon-standard square holes\u003c\/li\u003e\n\u003cli data-section-id=\"1bxrlsq\" data-start=\"3841\" data-end=\"3874\"\u003eAluminum lightweight structures\u003c\/li\u003e\n\u003cli data-section-id=\"14xco4o\" data-start=\"3875\" data-end=\"3905\"\u003eSurface coating requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3907\" data-end=\"3910\"\u003e\n\u003ch1 data-section-id=\"4k2cse\" data-start=\"3912\" data-end=\"3963\"\u003eAdvantages Over Traditional Shaft Locking Systems\u003c\/h1\u003e\n\u003cp data-start=\"3965\" data-end=\"4050\"\u003eCompared with conventional shaft fixing methods, safety chucks significantly improve:\u003c\/p\u003e\n\u003cul data-start=\"4052\" data-end=\"4157\"\u003e\n\u003cli data-section-id=\"1yaetuc\" data-start=\"4052\" data-end=\"4069\"\u003eOperator safety\u003c\/li\u003e\n\u003cli data-section-id=\"1ke7jnl\" data-start=\"4070\" data-end=\"4096\"\u003eRoll changing efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"cmup7h\" data-start=\"4097\" data-end=\"4113\"\u003eMachine uptime\u003c\/li\u003e\n\u003cli data-section-id=\"11l9vvp\" data-start=\"4114\" data-end=\"4132\"\u003eTorque stability\u003c\/li\u003e\n\u003cli data-section-id=\"15tk7np\" data-start=\"4133\" data-end=\"4157\"\u003eProduction consistency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4159\" data-end=\"4259\"\u003eThis makes them ideal for modern automated converting lines.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1e98zfg\" data-start=\"4296\" data-end=\"4364\"\u003eWhat is the difference between STO\/STW and FLO\/FLW safety chucks?\u003c\/h2\u003e\n\u003cp data-start=\"4366\" data-end=\"4511\"\u003eSTO\/STW models are foot-mounted, while FLO\/FLW models are flange-mounted. Both are designed for secure air shaft support and torque transmission.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1s09d8j\" data-start=\"4513\" data-end=\"4555\"\u003eCan the square hole size be customized?\u003c\/h2\u003e\n\u003cp data-start=\"4557\" data-end=\"4661\"\u003eYes. XW Machinery supports customized square hole dimensions according to your air shaft specifications.\u003c\/p\u003e\n\u003ch2 data-section-id=\"6uudhy\" data-start=\"4663\" data-end=\"4700\"\u003eWhat industries use safety chucks?\u003c\/h2\u003e\n\u003cp data-start=\"4702\" data-end=\"4832\"\u003eSafety chucks are commonly used in printing, slitting, packaging, film converting, paper, textile, and lithium battery industries.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1s5ta13\" data-start=\"4834\" data-end=\"4866\"\u003eWhat materials are available?\u003c\/h2\u003e\n\u003cp data-start=\"4868\" data-end=\"4970\"\u003eWe offer high-strength alloy steel and lightweight aluminum options depending on machine requirements.\u003c\/p\u003e\n\u003ch2 data-section-id=\"13f9h7h\" data-start=\"4972\" data-end=\"5035\"\u003eAre your safety chucks compatible with pneumatic air shafts?\u003c\/h2\u003e\n\u003cp data-start=\"5037\" data-end=\"5142\"\u003eYes. Our safety chucks are designed for most standard air expanding shafts and pneumatic winding systems.\u003c\/p\u003e","brand":"XW Machinery Parts","offers":[{"title":"28","offer_id":48777571959040,"sku":null,"price":199.0,"currency_code":"USD","in_stock":true},{"title":"35","offer_id":48777571991808,"sku":null,"price":199.0,"currency_code":"USD","in_stock":true},{"title":"50","offer_id":48777572024576,"sku":null,"price":199.0,"currency_code":"USD","in_stock":true},{"title":"75","offer_id":48777572057344,"sku":null,"price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/3408\/9472\/files\/STO_STW_safety_chuck_for_air_expanding_shaft.jpg?v=1780126706","url":"https:\/\/xw-machinery.com\/products\/sto-stw-flo-flw-safety-chuck-air-shaft","provider":"XW Machinery","version":"1.0","type":"link"}