{"product_id":"adjustable-circle-glass-cutter-oil-dropper-diy-tile-tool","title":"Adjustable Circle Glass Cutter with Oil Dropper | DIY Tile Tool","description":"\u003ch2\u003eCut Perfect Circles Every Time — No Experience Needed\u003c\/h2\u003e\n\u003cp\u003eWhether you're a seasoned tradesperson or a weekend DIY enthusiast, this \u003cstrong\u003eAdjustable Circle Glass Cutter\u003c\/strong\u003e makes cutting precise circular holes in glass and tile effortless. With its built-in oil dropper for smooth scoring and a fully adjustable arm for customizable diameters, this tool delivers clean, accurate cuts with minimal effort. Available in two sizes — \u003cstrong\u003e20 cm (7.87 in)\u003c\/strong\u003e and \u003cstrong\u003e40 cm (15.75 in)\u003c\/strong\u003e — it's the versatile hand tool your workshop has been missing.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Compass Design:\u003c\/strong\u003e Easily set your desired circle diameter with the sliding arm — no guesswork, just precision.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Oil Dropper:\u003c\/strong\u003e Automatically lubricates the cutting wheel as you score, resulting in smoother lines and extended cutter life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Made from sturdy plastic and alloy components for long-lasting performance on glass, tile, and mirror surfaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo Size Options:\u003c\/strong\u003e Choose 20 cm for smaller circles or 40 cm for larger window holes and tile cutouts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComfortable Grip Handle:\u003c\/strong\u003e Ergonomically shaped for steady, controlled rotation around the center pivot point.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY \u0026amp; Professional Use:\u003c\/strong\u003e Ideal for window installations, tile remodeling, mirror work, and craft projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003ePlastic \u0026amp; Alloy\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e20 cm (7.87 in) \/ 40 cm (15.75 in)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eLubrication\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eBuilt-in oil dropper\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e1 × Adjustable Circle Glass Cutter\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eSet the suction cup center anchor firmly on the glass or tile surface.\u003c\/li\u003e\n  \u003cli\u003eAdjust the arm to your desired circle radius and lock it in place.\u003c\/li\u003e\n  \u003cli\u003eFill the oil dropper with cutting oil to lubricate the scoring wheel.\u003c\/li\u003e\n  \u003cli\u003eRotate the cutter firmly and evenly around the pivot to score a clean circle.\u003c\/li\u003e\n  \u003cli\u003eTap gently from underneath to complete the cut.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Color may vary slightly between monitors. Please allow ±1–3 mm measurement tolerance due to manual sizing methods.\u003c\/p\u003e\n\n\u003cp\u003eFor general workshop safety guidance when using hand cutting tools, visit the U.S. Occupational Safety and Health Administration (OSHA) – Hand \u0026amp; Power Tools Safety.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What surfaces can this adjustable circle glass cutter be used on?\u003c\/h4\u003e\n\u003cp\u003eA: This circle glass cutter is designed for use on flat glass, mirror surfaces, and ceramic tile. It works best on smooth, even surfaces where the center anchor can grip securely. It is not recommended for tempered or laminated glass.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between the 20 cm and 40 cm sizes?\u003c\/h4\u003e\n\u003cp\u003eA: The 20 cm version allows you to cut circles up to approximately 7.87 inches in diameter, making it ideal for smaller holes such as light fixtures or small tile cutouts. The 40 cm version extends up to approximately 15.75 inches, suitable for larger window openings or bigger decorative tile cuts.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the oil dropper come pre-filled?\u003c\/h4\u003e\n\u003cp\u003eA: The oil dropper is included but not pre-filled. You will need to add your own cutting oil or a light mineral oil before use to ensure smooth scoring and to protect the cutting wheel.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this tool suitable for beginners?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The adjustable compass mechanism and built-in oil dropper make it straightforward for DIYers of all skill levels. Simply set the radius, lock the arm, and rotate steadily for a clean score line.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What surfaces can this adjustable circle glass cutter be used on?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This circle glass cutter is designed for use on flat glass, mirror surfaces, and ceramic tile. It works best on smooth, even surfaces where the center anchor can grip securely. It is not recommended for tempered or laminated glass.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between the 20 cm and 40 cm sizes?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 20 cm version allows you to cut circles up to approximately 7.87 inches in diameter, making it ideal for smaller holes such as light fixtures or small tile cutouts. 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