{"product_id":"dynabrade-52374","title":"DYNABRADE 4\" (102 mm) Dia. Straight-Line Type 1 Wheel Grinder - 52374","description":"\u003ch2\u003eDYNABRADE 4\" (102 mm) Dia. Straight-Line Type 1 Wheel Grinder - 52374\u003c\/h2\u003e\n\u003cul class=\"list list-icons list-primary list-borders\"\u003e\n\u003cli\u003e\u003cspan\u003e1 hp, 15,000 RPM, Rear Exhaust, 3\/8\"-24 Spindle Thread.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003eType 1 Wheel Grinder, for cleaning metal, grinding and smoothing weld seams, removing imperfections before painting.\u003c\/li\u003e\n\u003cli\u003e\n\u003ci class=\"fa fa-caret-right\"\u003e\u003c\/i\u003e4\" Diameter, Straight Line, 1 hp, 15,000 RPM.\u003c\/li\u003e\n\u003cli\u003e\n\u003ci class=\"fa fa-caret-right\"\u003e\u003c\/i\u003eAccepts optional 4\" diameter Type 1 Wheel, with 3\/8\" center hole (maximum wheel width of 1\/4\").\u003c\/li\u003e\n\u003cli\u003e\n\u003ci class=\"fa fa-caret-right\"\u003e\u003c\/i\u003eGovernor-controlled motor maintains RPM under heavy load; rear exhaust.\u003c\/li\u003e\n\u003cli\u003e\n\u003ci class=\"fa fa-caret-right\"\u003e\u003c\/i\u003eSafety-lock lever is included on all models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications   \u003c\/h5\u003e\n\u003cstyle type=\"text\/css\"\u003e\n.tg  {border-collapse:collapse;border-spacing:0;}\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg .tg-cly1{text-align:left;vertical-align:middle}\n.tg .tg-wa1i{font-weight:bold;text-align:center;vertical-align:middle}\n\u003c\/style\u003e\n\u003ctable class=\"tg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"tg-wa1i\"\u003eAir Consumption (SCFM)\u003c\/th\u003e\n\u003cth class=\"tg-cly1\"\u003e39.0\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003ePower (hp)\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eMax. RPM\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e15,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eTool Spindle Thread\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e3\/8\" - 24 Male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eAir Inlet Thread\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e3\/8\" NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eExhaust Type\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eRear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eGL_Country Of Origin\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eUS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eHose I.D. in. (mm)\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eVacuum Type\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eNon-Vacuum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eHeight in. (mm)\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e4.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eLength in. (mm)\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e9.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eWeight lb. (kg)\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e3.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eWidth in. (mm)\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e6.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003ePkg. Height in. (mm)\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e4.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003ePkg. Length in. (mm)\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003ePkg. Weight lb. (kg)\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e3.88\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003ePkg. Width in. (mm)\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e6.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eCE Certified\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eEAN (UPC)\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e0616026523746\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eEAC Certified\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-wa1i\"\u003eTool Style\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eStraight Line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eWhat our Experts Think  \u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:62d49190-e6b5-4998-bda1-88624591fbb3-25\" data-turn-id-container=\"request-WEB:62d49190-e6b5-4998-bda1-88624591fbb3-25\" data-testid=\"conversation-turn-50\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"8cc05301-3f69-4c0d-9aa2-5a49d554004a\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cul data-start=\"28\" data-end=\"916\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1dr12wb\" data-start=\"28\" data-end=\"134\"\u003e\n\u003cstrong data-start=\"30\" data-end=\"66\"\u003e4\" (102 mm) straight-line design\u003c\/strong\u003e provides excellent reach and control for precision grinding tasks\u003c\/li\u003e\n\u003cli data-section-id=\"1r07qaf\" data-start=\"135\" data-end=\"228\"\u003eBuilt for use with \u003cstrong data-start=\"156\" data-end=\"173\"\u003eType 1 wheels\u003c\/strong\u003e for efficient material removal and surface finishing\u003c\/li\u003e\n\u003cli data-section-id=\"sp2uou\" data-start=\"229\" data-end=\"320\"\u003e\n\u003cstrong data-start=\"231\" data-end=\"271\"\u003eExtended straight-line configuration\u003c\/strong\u003e improves access in deep or confined work areas\u003c\/li\u003e\n\u003cli data-section-id=\"1fa4bss\" data-start=\"321\" data-end=\"407\"\u003eDelivers \u003cstrong data-start=\"332\" data-end=\"358\"\u003estrong pneumatic power\u003c\/strong\u003e for consistent industrial grinding performance\u003c\/li\u003e\n\u003cli data-section-id=\"1wql2iq\" data-start=\"408\" data-end=\"480\"\u003eIdeal for \u003cstrong data-start=\"420\" data-end=\"478\"\u003eweld blending, deburring, and internal surface cleanup\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1hkpldh\" data-start=\"481\" data-end=\"557\"\u003e\n\u003cstrong data-start=\"483\" data-end=\"509\"\u003eCompact, balanced body\u003c\/strong\u003e enhances maneuverability and operator control\u003c\/li\u003e\n\u003cli data-section-id=\"1anovun\" data-start=\"558\" data-end=\"639\"\u003eDesigned for \u003cstrong data-start=\"573\" data-end=\"637\"\u003eheavy-duty fabrication, maintenance, and repair environments\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"u893ng\" data-start=\"640\" data-end=\"724\"\u003eSuitable for grinding \u003cstrong data-start=\"664\" data-end=\"722\"\u003esteel, castings, structural components, and weld seams\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"p5iny3\" data-start=\"725\" data-end=\"805\"\u003eSupports \u003cstrong data-start=\"736\" data-end=\"803\"\u003eprecision work where standard grinders cannot reach effectively\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"dk2g86\" data-start=\"806\" data-end=\"916\" data-is-last-node=\"\"\u003eA dependable choice for professionals needing a \u003cstrong data-start=\"856\" data-end=\"916\" data-is-last-node=\"\"\u003elong-reach, high-control straight-line grinding solution\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003ch5\u003eQ\u0026amp;A    \u003c\/h5\u003e\n\u003cp data-start=\"76\" data-end=\"300\"\u003e\u003cstrong data-start=\"76\" data-end=\"120\"\u003eQ: What is the DYNABRADE 52374 used for?\u003c\/strong\u003e\u003cbr data-start=\"120\" data-end=\"123\"\u003eA: A high-speed pneumatic straight-line Type 1 wheel grinder designed for aggressive metal removal, weld cleanup, deburring, and surface preparation before finishing or coating.\u003c\/p\u003e\n\u003cp data-start=\"302\" data-end=\"462\"\u003e\u003cstrong data-start=\"302\" data-end=\"340\"\u003eQ: What type of wheel does it use?\u003c\/strong\u003e\u003cbr data-start=\"340\" data-end=\"343\"\u003eA: It uses 4\" (102 mm) Type 1 reinforced grinding wheels with a 3\/8\" center hole for fast, controlled material removal.\u003c\/p\u003e\n\u003cp data-start=\"464\" data-end=\"611\"\u003e\u003cstrong data-start=\"464\" data-end=\"511\"\u003eQ: What is the power and performance level?\u003c\/strong\u003e\u003cbr data-start=\"511\" data-end=\"514\"\u003eA: It features a 1 HP air motor built for continuous heavy-duty industrial grinding applications.\u003c\/p\u003e\n\u003cp data-start=\"613\" data-end=\"810\"\u003e\u003cstrong data-start=\"613\" data-end=\"648\"\u003eQ: What is the operating speed?\u003c\/strong\u003e\u003cbr data-start=\"648\" data-end=\"651\"\u003eA: It runs at up to \u003cstrong data-start=\"671\" data-end=\"685\"\u003e15,000 RPM\u003c\/strong\u003e, providing fast cutting and grinding performance while maintaining control under load. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"812\" data-end=\"986\"\u003e\u003cstrong data-start=\"812\" data-end=\"862\"\u003eQ: What makes the straight-line design useful?\u003c\/strong\u003e\u003cbr data-start=\"862\" data-end=\"865\"\u003eA: The inline body improves stability and control, especially when working on weld seams, edges, and flat metal surfaces.\u003c\/p\u003e\n\u003cp data-start=\"988\" data-end=\"1142\"\u003e\u003cstrong data-start=\"988\" data-end=\"1028\"\u003eQ: What materials can it be used on?\u003c\/strong\u003e\u003cbr data-start=\"1028\" data-end=\"1031\"\u003eA: Suitable for steel, stainless steel, castings, welds, and other ferrous metals requiring shaping or cleanup.\u003c\/p\u003e\n\u003cp data-start=\"1144\" data-end=\"1295\"\u003e\u003cstrong data-start=\"1144\" data-end=\"1185\"\u003eQ: Does it maintain speed under load?\u003c\/strong\u003e\u003cbr data-start=\"1185\" data-end=\"1188\"\u003eA: Yes, it uses a governor-controlled motor to help maintain consistent RPM during heavy grinding pressure.\u003c\/p\u003e\n\u003ch5\u003eMaintenance Tips    \u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"g9i9gr\" data-start=\"444\" data-end=\"534\"\u003e\n\u003cstrong data-start=\"446\" data-end=\"480\"\u003eUse clean, dry compressed air:\u003c\/strong\u003e Prevents vane wear and keeps RPM stable under load.\u003c\/li\u003e\n\u003cli data-section-id=\"ju3c5x\" data-start=\"535\" data-end=\"639\"\u003e\n\u003cstrong data-start=\"537\" data-end=\"557\"\u003eLubricate daily:\u003c\/strong\u003e Add a few drops of air-tool oil before use to protect internal vanes and seals.\u003c\/li\u003e\n\u003cli data-section-id=\"4mkj6l\" data-start=\"640\" data-end=\"789\"\u003e\n\u003cstrong data-start=\"642\" data-end=\"682\"\u003eMaintain correct pressure (~90 PSI):\u003c\/strong\u003e Ensures consistent 15,000 RPM performance and avoids overspeeding. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ytzwq1\" data-start=\"790\" data-end=\"887\"\u003e\n\u003cstrong data-start=\"792\" data-end=\"832\"\u003eUse only RPM-rated 4\" Type 1 wheels:\u003c\/strong\u003e Wheels must be rated ≥15,000 RPM to prevent failure.\u003c\/li\u003e\n\u003cli data-section-id=\"1kcc9yu\" data-start=\"888\" data-end=\"1010\"\u003e\n\u003cstrong data-start=\"890\" data-end=\"926\"\u003eInspect wheels before every use:\u003c\/strong\u003e Never run cracked, chipped, or dropped wheels—high-speed breakage risk is severe.\u003c\/li\u003e\n\u003cli data-section-id=\"193q0ls\" data-start=\"1011\" data-end=\"1123\"\u003e\n\u003cstrong data-start=\"1013\" data-end=\"1049\"\u003eCheck spindle \u0026amp; 3\/8\"-24 threads:\u003c\/strong\u003e Keep mounting surfaces clean and tight to prevent wobble and imbalance.\u003c\/li\u003e\n\u003cli data-section-id=\"1hadq8x\" data-start=\"1124\" data-end=\"1230\"\u003e\n\u003cstrong data-start=\"1126\" data-end=\"1161\"\u003eWatch for vibration at startup:\u003c\/strong\u003e Any shake indicates imbalance—stop immediately and re-mount wheel.\u003c\/li\u003e\n\u003cli data-section-id=\"1pzw4kv\" data-start=\"1231\" data-end=\"1312\"\u003e\n\u003cstrong data-start=\"1233\" data-end=\"1261\"\u003eKeep rear exhaust clear:\u003c\/strong\u003e Prevents overheating during continuous grinding.\u003c\/li\u003e\n\u003cli data-section-id=\"1n21sd3\" data-start=\"1313\" data-end=\"1409\"\u003e\n\u003cstrong data-start=\"1315\" data-end=\"1348\"\u003eInspect air hoses \u0026amp; fittings:\u003c\/strong\u003e Air leaks reduce torque and cause unstable RPM under load.\u003c\/li\u003e\n\u003cli data-section-id=\"19yct14\" data-start=\"1410\" data-end=\"1524\"\u003e\n\u003cstrong data-start=\"1412\" data-end=\"1432\"\u003eClean after use:\u003c\/strong\u003e Remove grinding dust from spindle, guard area, and housing to maintain balance and airflow.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DYNABRADE","offers":[{"title":"Default Title","offer_id":45769236709567,"sku":"52374","price":470.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/52374.jpg?v=1782304051","url":"https:\/\/www.mybackyardzone.com\/products\/dynabrade-52374","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}