{"product_id":"dewalt-650109-00-inner-clamp-washer-genuine-oem-replacement-circular-saw-blade-clamp-washer","title":"DeWalt 650109-00 Inner Clamp Washer – Genuine OEM Replacement Circular Saw Blade Clamp Washer","description":"\u003cdiv class=\"\" data-turn-id-container=\"3c3ce21a-5e66-4451-a80e-ca54ea3daeec\" data-is-intersecting=\"true\"\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 R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-(--sticky-padding-top)\" dir=\"auto\" data-turn-id=\"3c3ce21a-5e66-4451-a80e-ca54ea3daeec\" data-turn-id-container=\"3c3ce21a-5e66-4451-a80e-ca54ea3daeec\" data-testid=\"conversation-turn-421\" data-turn=\"user\"\u003e\u003c\/section\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a564ce8-dd20-83ea-a458-fe6abd848766-10\" data-is-intersecting=\"true\"\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 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-6a564ce8-dd20-83ea-a458-fe6abd848766-10\" data-turn-id-container=\"request-6a564ce8-dd20-83ea-a458-fe6abd848766-10\" data-testid=\"conversation-turn-422\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--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=\"02be14e7-670f-42ae-adb6-cc4c04d1f2ca\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" 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\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"streaming-animation markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"222\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e 650109-00\u003cbr data-start=\"26\" data-end=\"29\"\u003e\u003cstrong data-start=\"29\" data-end=\"42\"\u003eCategory:\u003c\/strong\u003e Power Tool Parts \u0026amp; Accessories → Circular Saw Parts → Blade Clamp Washers\u003cbr data-start=\"116\" data-end=\"119\"\u003e\u003cstrong data-start=\"119\" data-end=\"128\"\u003eType:\u003c\/strong\u003e DeWalt 650109-00 Inner Clamp Washer – Genuine OEM Replacement Circular Saw Blade Clamp Washer\u003c\/p\u003e\n\u003chr data-start=\"224\" data-end=\"227\"\u003e\n\u003cp data-start=\"326\" data-end=\"910\"\u003eThe \u003cstrong data-start=\"330\" data-end=\"369\"\u003eDeWalt 650109-00 Inner Clamp Washer\u003c\/strong\u003e is a genuine OEM replacement blade mounting component designed for compatible \u003cstrong data-start=\"448\" data-end=\"472\"\u003eDeWalt circular saws\u003c\/strong\u003e. This precision-machined steel washer fits on the arbor behind the saw blade, providing a stable mounting surface and evenly distributing clamping force to securely hold the blade in place during operation. Manufactured to original equipment specifications, it provides a direct-fit replacement for worn, damaged, or missing inner clamp washers, helping restore safe and accurate blade installation.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1094\" data-end=\"1097\"\u003e\n\u003ch2 data-section-id=\"939trr\" data-start=\"1099\" data-end=\"1125\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1127\" data-end=\"1492\"\u003e\n\u003cli data-section-id=\"1tikbq8\" data-start=\"1127\" data-end=\"1155\"\u003e\n\u003cstrong data-start=\"1129\" data-end=\"1145\"\u003ePart Number:\u003c\/strong\u003e 650109-00\u003c\/li\u003e\n\u003cli data-section-id=\"1platsi\" data-start=\"1156\" data-end=\"1193\"\u003eGenuine OEM DeWalt replacement part\u003c\/li\u003e\n\u003cli data-section-id=\"r1ekr7\" data-start=\"1194\" data-end=\"1250\"\u003eReplacement inner blade clamp washer for circular saws\u003c\/li\u003e\n\u003cli data-section-id=\"19m73wq\" data-start=\"1251\" data-end=\"1295\"\u003eProvides secure blade support on the arbor\u003c\/li\u003e\n\u003cli data-section-id=\"1kwrjuw\" data-start=\"1296\" data-end=\"1335\"\u003eHelps maintain proper blade alignment\u003c\/li\u003e\n\u003cli data-section-id=\"16o01fz\" data-start=\"1336\" data-end=\"1371\"\u003eEvenly distributes clamping force\u003c\/li\u003e\n\u003cli data-section-id=\"1m7jjj8\" data-start=\"1372\" data-end=\"1411\"\u003ePrecision-machined steel construction\u003c\/li\u003e\n\u003cli data-section-id=\"p6iksq\" data-start=\"1412\" data-end=\"1440\"\u003eDirect-fit OEM replacement\u003c\/li\u003e\n\u003cli data-section-id=\"fyhvnz\" data-start=\"1441\" data-end=\"1492\"\u003eManufactured to original equipment specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1494\" data-end=\"1497\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"1499\" data-end=\"1526\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"1528\" data-end=\"1554\"\u003e\u003cstrong data-start=\"1528\" data-end=\"1544\"\u003ePart Number:\u003c\/strong\u003e 650109-00\u003c\/p\u003e\n\u003cp data-start=\"1556\" data-end=\"1580\"\u003e\u003cstrong data-start=\"1556\" data-end=\"1573\"\u003eManufacturer:\u003c\/strong\u003e DeWalt\u003c\/p\u003e\n\u003cp data-start=\"1582\" data-end=\"1618\"\u003e\u003cstrong data-start=\"1582\" data-end=\"1599\"\u003eProduct Type:\u003c\/strong\u003e Inner Clamp Washer\u003c\/p\u003e\n\u003cp data-start=\"1620\" data-end=\"1648\"\u003e\u003cstrong data-start=\"1620\" data-end=\"1633\"\u003eMaterial:\u003c\/strong\u003e Hardened Steel\u003c\/p\u003e\n\u003cp data-start=\"1650\" data-end=\"1700\"\u003e\u003cstrong data-start=\"1650\" data-end=\"1666\"\u003eApplication:\u003c\/strong\u003e Circular Saw Blade Arbor Assembly\u003c\/p\u003e\n\u003cp data-start=\"1702\" data-end=\"1719\"\u003e\u003cstrong data-start=\"1702\" data-end=\"1715\"\u003eOEM Part:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003cp data-start=\"1721\" data-end=\"1752\"\u003e\u003cstrong data-start=\"1721\" data-end=\"1734\"\u003eQuantity:\u003c\/strong\u003e Sold Individually\u003c\/p\u003e\n\u003chr data-start=\"1754\" data-end=\"1757\"\u003e\n\u003ch2 data-section-id=\"17z2fqi\" data-start=\"1759\" data-end=\"1785\"\u003eCompatible Applications\u003c\/h2\u003e\n\u003cp data-start=\"1787\" data-end=\"1881\"\u003eThe \u003cstrong data-start=\"1791\" data-end=\"1830\"\u003eDeWalt 650109-00 Inner Clamp Washer\u003c\/strong\u003e fits numerous compatible circular saws, including:\u003c\/p\u003e\n\u003ch3 data-section-id=\"gjy67d\" data-start=\"1883\" data-end=\"1893\"\u003eDeWalt\u003c\/h3\u003e\n\u003cul data-start=\"1895\" data-end=\"1988\"\u003e\n\u003cli data-section-id=\"xvf4av\" data-start=\"1895\" data-end=\"1907\"\u003e\u003cstrong data-start=\"1897\" data-end=\"1907\"\u003eDCS391\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1gc88bp\" data-start=\"1908\" data-end=\"1921\"\u003e\u003cstrong data-start=\"1910\" data-end=\"1921\"\u003eDCS391B\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"xvf2px\" data-start=\"1922\" data-end=\"1934\"\u003e\u003cstrong data-start=\"1924\" data-end=\"1934\"\u003eDCS393\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"xrji96\" data-start=\"1935\" data-end=\"1947\"\u003e\u003cstrong data-start=\"1937\" data-end=\"1947\"\u003eDCS565\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1cs9a5k\" data-start=\"1948\" data-end=\"1961\"\u003e\u003cstrong data-start=\"1950\" data-end=\"1961\"\u003eDCS565B\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"xrjj55\" data-start=\"1962\" data-end=\"1974\"\u003e\u003cstrong data-start=\"1964\" data-end=\"1974\"\u003eDCS566\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1cs8lmz\" data-start=\"1975\" data-end=\"1988\"\u003e\u003cstrong data-start=\"1977\" data-end=\"1988\"\u003eDCS566B\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1990\" data-end=\"2144\"\u003eAlways verify your tool model, type number, and original part number before ordering to ensure proper compatibility. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2146\" data-end=\"2149\"\u003e\n\u003ch2 data-section-id=\"1itzqqo\" data-start=\"2151\" data-end=\"2188\"\u003eFunction of the Inner Clamp Washer\u003c\/h2\u003e\n\u003cp data-start=\"2190\" data-end=\"2242\"\u003eThe \u003cstrong data-start=\"2194\" data-end=\"2226\"\u003e650109-00 Inner Clamp Washer\u003c\/strong\u003e is designed to:\u003c\/p\u003e\n\u003cul data-start=\"2244\" data-end=\"2530\"\u003e\n\u003cli data-section-id=\"1ogzmzl\" data-start=\"2244\" data-end=\"2280\"\u003eSupport the saw blade on the arbor\u003c\/li\u003e\n\u003cli data-section-id=\"exphlk\" data-start=\"2281\" data-end=\"2330\"\u003eMaintain proper blade positioning and alignment\u003c\/li\u003e\n\u003cli data-section-id=\"c0uok\" data-start=\"2331\" data-end=\"2382\"\u003eDistribute clamping force evenly across the blade\u003c\/li\u003e\n\u003cli data-section-id=\"1djwjbz\" data-start=\"2383\" data-end=\"2423\"\u003eHelp reduce blade wobble and vibration\u003c\/li\u003e\n\u003cli data-section-id=\"1qhhs2y\" data-start=\"2424\" data-end=\"2470\"\u003eEnsure secure blade retention during cutting\u003c\/li\u003e\n\u003cli data-section-id=\"1i9y6xy\" data-start=\"2471\" data-end=\"2530\"\u003eRestore the circular saw's original blade mounting system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2532\" data-end=\"2684\"\u003eUsing a genuine OEM replacement inner clamp washer helps maintain safe operation and accurate cutting performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2686\" data-end=\"2689\"\u003e\n\u003ch2 data-section-id=\"1cnbljb\" data-start=\"2691\" data-end=\"2728\"\u003eCommon Signs Replacement Is Needed\u003c\/h2\u003e\n\u003cp data-start=\"2730\" data-end=\"2775\"\u003eReplace the inner clamp washer if you notice:\u003c\/p\u003e\n\u003cul data-start=\"2777\" data-end=\"3028\"\u003e\n\u003cli data-section-id=\"1dnprhh\" data-start=\"2777\" data-end=\"2818\"\u003eMissing washer during blade replacement\u003c\/li\u003e\n\u003cli data-section-id=\"1xrgqw7\" data-start=\"2819\" data-end=\"2842\"\u003eBent or warped washer\u003c\/li\u003e\n\u003cli data-section-id=\"e1cdbf\" data-start=\"2843\" data-end=\"2888\"\u003eExcessive wear on the blade contact surface\u003c\/li\u003e\n\u003cli data-section-id=\"1gofcxd\" data-start=\"2889\" data-end=\"2938\"\u003eCorrosion or rust affecting the seating surface\u003c\/li\u003e\n\u003cli data-section-id=\"1oxgjx7\" data-start=\"2939\" data-end=\"2981\"\u003eBlade wobble despite proper installation\u003c\/li\u003e\n\u003cli data-section-id=\"sysd29\" data-start=\"2982\" data-end=\"3028\"\u003eDamage caused by improper blade installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3030\" data-end=\"3178\"\u003eA damaged or missing inner clamp washer can prevent the blade from seating correctly, resulting in vibration, inaccurate cuts, and unsafe operation.\u003c\/p\u003e\n\u003chr data-start=\"3180\" data-end=\"3183\"\u003e\n\u003ch2 data-section-id=\"10va281\" data-start=\"3185\" data-end=\"3216\"\u003eInstallation \u0026amp; Service Notes\u003c\/h2\u003e\n\u003cp data-start=\"3218\" data-end=\"3307\"\u003eDisconnect the circular saw from the power source or remove the battery before servicing.\u003c\/p\u003e\n\u003cp data-start=\"3309\" data-end=\"3809\"\u003eLock the arbor and remove the blade bolt and outer clamp washer. Carefully remove the saw blade and inspect the \u003cstrong data-start=\"3421\" data-end=\"3453\"\u003e650109-00 Inner Clamp Washer\u003c\/strong\u003e for wear or damage. Position the replacement washer on the arbor in the same orientation as the original, ensuring it sits flush against the arbor shoulder. Reinstall the blade, outer clamp washer, and blade bolt, then tighten the blade bolt to the manufacturer's specified torque. Verify that the blade rotates freely before returning the saw to service.\u003c\/p\u003e\n\u003cp data-start=\"3811\" data-end=\"4096\"\u003e\u003cstrong data-start=\"3811\" data-end=\"3825\"\u003eImportant:\u003c\/strong\u003e Always verify your saw model and original part number before ordering. Inspect the blade bolt, outer clamp washer, and arbor whenever replacing the inner clamp washer. Replace worn blade mounting components together to maintain proper blade retention and safe operation.\u003c\/p\u003e\n\u003chr data-start=\"4098\" data-end=\"4101\"\u003e\n\u003ch2 data-section-id=\"8fimbm\" data-start=\"4103\" data-end=\"4133\"\u003eMaintenance Recommendations\u003c\/h2\u003e\n\u003cul data-start=\"4135\" data-end=\"4611\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1m4rsug\" data-start=\"4135\" data-end=\"4194\"\u003eInspect the inner clamp washer during every blade change.\u003c\/li\u003e\n\u003cli data-section-id=\"1cptwht\" data-start=\"4195\" data-end=\"4267\"\u003eKeep the washer and arbor surfaces clean and free of sawdust or resin.\u003c\/li\u003e\n\u003cli data-section-id=\"11ugmth\" data-start=\"4268\" data-end=\"4322\"\u003eReplace bent, worn, or corroded washers immediately.\u003c\/li\u003e\n\u003cli data-section-id=\"gb3udm\" data-start=\"4323\" data-end=\"4397\"\u003eVerify the blade bolt is tightened to the manufacturer's specifications.\u003c\/li\u003e\n\u003cli data-section-id=\"6t9zdr\" data-start=\"4398\" data-end=\"4486\"\u003eInspect both the inner and outer clamp washers for wear before installing a new blade.\u003c\/li\u003e\n\u003cli data-section-id=\"1lwh7pp\" data-start=\"4487\" data-end=\"4611\" data-is-last-node=\"\"\u003eUse genuine OEM replacement parts to maintain factory fit, secure blade retention, and long-term circular saw performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"DeWalt","offers":[{"title":"Default Title","offer_id":53572959699307,"sku":"650109-00","price":8.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/650109-00.jpg?v=1784424577","url":"https:\/\/generalsprayers.com\/products\/dewalt-650109-00-inner-clamp-washer-genuine-oem-replacement-circular-saw-blade-clamp-washer","provider":"GeneralSprayers","version":"1.0","type":"link"}