{"product_id":"diamond-brazed-step-hole-reamer-angle-grinder-tile-marble-granite","title":"Diamond Brazed Step Hole Reamer for Tile Marble \u0026 Granite","description":"\n\u003ch2\u003eDiamond Brazed Step Hole Reamer – Multi-Size Hole Opener for Angle Grinders\u003c\/h2\u003e\n\u003cp\u003eTake your tiling and stone work to the next level with this \u003cstrong\u003eDiamond Brazed Step Hole Reamer\u003c\/strong\u003e. Engineered for use with standard angle grinders, this versatile stepped hole opener handles drilling, hole enlarging, and chamfering on tile, sintered stone, marble, granite, and ceramic — all with a single tool. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Diamond Step Hole Opener?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExceptional Cutting Sharpness:\u003c\/strong\u003e High-density brazed diamond grain coating delivers fast, burr-free cutting performance, significantly reducing working time and boosting your construction efficiency on hard surfaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOne Tool, Multiple Sizes:\u003c\/strong\u003e The integrated stepped structure supports hole processing across multiple diameters in a single pass — no need to buy or swap out separate hole openers. Save on tool costs and storage space.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecure Angle Grinder Compatibility:\u003c\/strong\u003e Built on a high-strength carbon steel base with a standard angle grinder interface, this reamer fits most mainstream angle grinders snugly, providing a stable, shake-free connection even at high speeds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Long Service Life:\u003c\/strong\u003e An upgraded high-temperature brazing process locks diamond grains firmly to the substrate for outstanding wear and heat resistance — lasting 2–3× longer than conventional electroplated hole openers, reducing how often you need to replace your bit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Material Compatibility:\u003c\/strong\u003e The hard diamond cutting layer is engineered for tile, sintered stone, marble, granite, and ceramic — ideal for home renovation, tile laying, countertop installation, and professional stone processing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Diamond coating, carbon steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 pc \/ 2 pcs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible With:\u003c\/strong\u003e Standard angle grinders\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuitable Materials:\u003c\/strong\u003e Tile, sintered stone, marble, granite, ceramic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProduct photos are for illustrative purposes; please refer to the description for exact size details.\u003c\/li\u003e\n  \u003cli\u003eMinor dimensional differences due to manual measurement may occur.\u003c\/li\u003e\n  \u003cli\u003eActual color may vary slightly from images due to monitor differences.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What materials can the Diamond Brazed Step Hole Reamer cut through?\u003c\/h4\u003e\n\u003cp\u003eA: This diamond brazed step hole reamer is designed for hard materials including tile, sintered stone, marble, granite, and ceramic. The high-density brazed diamond coating makes it suitable for both home renovation projects and professional stone processing applications.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this step hole opener fit my angle grinder?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — the high-strength carbon steel base features a standard angle grinder interface that is compatible with most mainstream angle grinders on the market. The secure connection minimizes vibration and ensures safe, stable operation at high speeds.\u003c\/p\u003e\n\u003ch4\u003eQ: How does this brazed diamond reamer compare to electroplated hole openers?\u003c\/h4\u003e\n\u003cp\u003eA: The high-temperature brazing process used on this reamer bonds diamond grains far more securely to the steel substrate than electroplating. As a result, it delivers 2–3× the service life of standard electroplated hole openers, offering better long-term value and fewer replacements.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I drill multiple hole sizes with one tool?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The integrated stepped structure provides multiple diameter options within a single tool, allowing you to process different hole sizes without needing to purchase or switch between multiple hole openers.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What materials can the Diamond Brazed Step Hole Reamer cut through?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This diamond brazed step hole reamer is designed for hard materials including tile, sintered stone, marble, granite, and ceramic. 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