{"product_id":"stanley-ch18311-underwater-hydraulic-chipping-hammer","title":"Stanley Underwater Hydraulic Hammer - CH18311","description":"\u003ch2\u003e\u003cspan\u003eStanley Underwater Hydraulic Chipping Hammer - CH18311\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Stanley CH18311 Chipper is a compact, hydraulic powered, underwater chipping hammer used for medium chipping of concrete, masonry and rock. The ergonomic “D” handle with inside trigger prevents accidental operation of the tool. The handle is plastisol coated for diver comfort. The CH18 has a slide latch design tool big retainer that will accept .580 hex shank, round collar tool bits.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a43165a-5bf8-83ee-baaa-7e3c47082b72-7\" 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-6a43165a-5bf8-83ee-baaa-7e3c47082b72-7\" data-turn-id-container=\"request-6a43165a-5bf8-83ee-baaa-7e3c47082b72-7\" data-testid=\"conversation-turn-60\" 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=\"e740277f-69cf-4e5f-aa7e-2691fe1ab099\" 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\" 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=\"32\" data-end=\"861\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1tlco3z\" data-start=\"32\" data-end=\"205\"\u003e\n\u003cstrong data-start=\"34\" data-end=\"78\"\u003ePurpose-Built for Underwater Demolition:\u003c\/strong\u003e Designed for commercial diving, offshore construction, and marine maintenance where reliable underwater chipping is essential.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"n3hjyf\" data-start=\"206\" data-end=\"366\"\u003e\n\u003cstrong data-start=\"208\" data-end=\"244\"\u003ePowerful Percussive Performance:\u003c\/strong\u003e Delivers consistent hammering force for removing concrete, scale, corrosion, and marine growth from submerged structures.\u003c\/li\u003e\n\u003cli data-section-id=\"4oll7o\" data-start=\"367\" data-end=\"521\"\u003e\n\u003cstrong data-start=\"369\" data-end=\"399\"\u003eExceptional Diver Control:\u003c\/strong\u003e Lightweight, ergonomic design with responsive trigger control allows precise operation, even while wearing diving gloves.\u003c\/li\u003e\n\u003cli data-section-id=\"8dcw7x\" data-start=\"522\" data-end=\"680\"\u003e\n\u003cstrong data-start=\"524\" data-end=\"552\"\u003eMarine-Grade Durability:\u003c\/strong\u003e Corrosion-resistant construction is engineered to withstand continuous exposure to saltwater and harsh underwater environments.\u003c\/li\u003e\n\u003cli data-section-id=\"owki93\" data-start=\"681\" data-end=\"861\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"683\" data-end=\"720\"\u003eTrusted Professional Reliability:\u003c\/strong\u003e Stanley's proven hydraulic system provides dependable performance, low maintenance, and long service life for demanding subsea applications.\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=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a43165d-aa80-83ee-b57c-b88d9f658b46-7\" 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-6a43165d-aa80-83ee-b57c-b88d9f658b46-7\" data-turn-id-container=\"request-6a43165d-aa80-83ee-b57c-b88d9f658b46-7\" data-testid=\"conversation-turn-62\" 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=\"0f3a6b4a-7c89-4e4a-9385-8727ff153e50\" 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=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"32\" data-end=\"335\"\u003e\u003cstrong data-start=\"32\" data-end=\"113\"\u003eQ: What is the Stanley CH18311 Underwater Hydraulic Chipping Hammer used for?\u003c\/strong\u003e\u003cbr data-start=\"113\" data-end=\"116\"\u003e\u003cstrong data-start=\"116\" data-end=\"122\"\u003eA:\u003c\/strong\u003e It is a compact hydraulic chipping hammer designed for \u003cstrong data-start=\"178\" data-end=\"244\"\u003emedium-duty underwater chipping of concrete, masonry, and rock\u003c\/strong\u003e, making it ideal for commercial diving applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"337\" data-end=\"581\"\u003e\u003cstrong data-start=\"337\" data-end=\"393\"\u003eQ: What hydraulic flow and pressure does it require?\u003c\/strong\u003e\u003cbr data-start=\"393\" data-end=\"396\"\u003e\u003cstrong data-start=\"396\" data-end=\"402\"\u003eA:\u003c\/strong\u003e It operates at \u003cstrong data-start=\"418\" data-end=\"441\"\u003e7–9 GPM (26–34 LPM)\u003c\/strong\u003e with a working pressure of \u003cstrong data-start=\"469\" data-end=\"502\"\u003e1,500–2,000 PSI (105–140 bar)\u003c\/strong\u003e. The optimum flow is \u003cstrong data-start=\"524\" data-end=\"542\"\u003e8 GPM (30 LPM)\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"583\" data-end=\"795\"\u003e\u003cstrong data-start=\"583\" data-end=\"628\"\u003eQ: What type of tool bits does it accept?\u003c\/strong\u003e\u003cbr data-start=\"628\" data-end=\"631\"\u003e\u003cstrong data-start=\"631\" data-end=\"637\"\u003eA:\u003c\/strong\u003e It accepts \u003cstrong data-start=\"649\" data-end=\"697\"\u003e0.580-inch hex shank, round collar tool bits\u003c\/strong\u003e, secured with a slide-latch retainer for quick bit changes. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"797\" data-end=\"1016\"\u003e\u003cstrong data-start=\"797\" data-end=\"837\"\u003eQ: Is it designed for diver comfort?\u003c\/strong\u003e\u003cbr data-start=\"837\" data-end=\"840\"\u003e\u003cstrong data-start=\"840\" data-end=\"846\"\u003eA:\u003c\/strong\u003e Yes. It features an ergonomic \u003cstrong data-start=\"877\" data-end=\"912\"\u003eD-handle with an inside trigger\u003c\/strong\u003e and a Plastisol-coated grip for comfortable underwater operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1018\" data-end=\"1203\"\u003e\u003cstrong data-start=\"1018\" data-end=\"1062\"\u003eQ: Are hose whips and couplers included?\u003c\/strong\u003e\u003cbr data-start=\"1062\" data-end=\"1065\"\u003e\u003cstrong data-start=\"1065\" data-end=\"1071\"\u003eA:\u003c\/strong\u003e The CH18311 includes \u003cstrong data-start=\"1093\" data-end=\"1107\"\u003ehose whips\u003c\/strong\u003e, while \u003cstrong data-start=\"1115\" data-end=\"1164\"\u003equick-disconnect couplers are sold separately\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1205\" data-end=\"1443\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1205\" data-end=\"1253\"\u003eQ: Can it be used in any operating position?\u003c\/strong\u003e\u003cbr data-start=\"1253\" data-end=\"1256\"\u003e\u003cstrong data-start=\"1256\" data-end=\"1262\"\u003eA:\u003c\/strong\u003e Yes. Its compact hydraulic design allows it to operate efficiently in \u003cstrong data-start=\"1333\" data-end=\"1349\"\u003eany position\u003c\/strong\u003e, making it suitable for confined underwater work areas. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:6cfd1a9d-9b2f-4d12-a6cb-eb4e877cfad4-9\" 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-WEB:6cfd1a9d-9b2f-4d12-a6cb-eb4e877cfad4-9\" data-turn-id-container=\"request-WEB:6cfd1a9d-9b2f-4d12-a6cb-eb4e877cfad4-9\" data-testid=\"conversation-turn-10\" 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=\"c092c1fc-4cbc-46c2-8cce-3d57f996a393\" 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=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cul data-start=\"0\" data-end=\"566\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"17firby\" data-start=\"0\" data-end=\"63\"\u003eRinse thoroughly with fresh water after every underwater use.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12n37ou\" data-start=\"64\" data-end=\"120\"\u003eRemove salt, sand, concrete, and debris from the tool.\u003c\/li\u003e\n\u003cli data-section-id=\"15ile2s\" data-start=\"121\" data-end=\"194\"\u003eInspect hydraulic hoses, fittings, seals, and tool retainer before use.\u003c\/li\u003e\n\u003cli data-section-id=\"154u099\" data-start=\"195\" data-end=\"265\"\u003eCheck chisel bits for wear, cracks, or damage and replace as needed.\u003c\/li\u003e\n\u003cli data-section-id=\"1k0m1eg\" data-start=\"266\" data-end=\"336\"\u003eVerify hydraulic flow and pressure meet manufacturer specifications.\u003c\/li\u003e\n\u003cli data-section-id=\"u7k6c3\" data-start=\"337\" data-end=\"393\"\u003eKeep moving parts clean and lubricated as recommended.\u003c\/li\u003e\n\u003cli data-section-id=\"iro0ec\" data-start=\"394\" data-end=\"452\"\u003eTighten loose fasteners and replace worn seals promptly.\u003c\/li\u003e\n\u003cli data-section-id=\"1k24qgi\" data-start=\"453\" data-end=\"566\" data-is-last-node=\"\"\u003eStore the chipping hammer clean, dry, and with protective caps installed. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\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=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Stanley","offers":[{"title":"Default Title","offer_id":45800525922495,"sku":"CH18311","price":2498.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/Stanley_CH18311.jpg?v=1782821340","url":"https:\/\/www.mybackyardzone.com\/products\/stanley-ch18311-underwater-hydraulic-chipping-hammer","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}