{"id":9680952787095,"title":"HARFINGTON 2pcs Diamond Finger Milling Bits 30mm (1-3\/16\") Dia 5\/8\"-11 Thread Diamond Milling Bit for Enlarging Shaping Existing Holes in Porcelain with 3\/8\" Hex Shank Adapter, Blue\/Black 30mm (1-3\/16\") 2","handle":"harfington-2pcs-diamond-finger-milling-bits-30mm-1-3-16-dia-5-8-11-thread-diamond-milling-bit-for-enlarging-shaping-existing-holes-in-porcelain-with-3-8-hex-shank-adapter-blue-black-30mm-1-3-16-2","description":"\u003ch3\u003eHARFINGTON 2pcs Diamond Finger Milling Bits 30mm (1-3\/16\") Dia 5\/8\"-11 Thread Diamond Milling Bit for Enlarging Shaping Existing Holes in Porcelain with 3\/8\" Hex Shank Adapter, Blue\/Black\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eSize - Diamond finger milling bit diameter: 30mm (1-3\/16\"), Thread: 5\/8-11, Grit: #50\/60, Working Depth: 50mm \/ 1.97\", Adapter Shank Hex Width: 8.2mm \/ 3\/8\", Adapter Total Height: 60mm \/ 2.36\",\u003c\/li\u003e\n \u003cli\u003eMaterial - The grinding head is made of diamond, which features the strongest type of chemical bond, ensuring hardness and chemical resistance. The formulated mixture enhances both sharpness and durability, providing long-lasting performance. The connecting rod is made of 45 steel, which is strength and toughness.\u003c\/li\u003e\n \u003cli\u003eFeature - The high hardness diamond head significantly enhances grinding efficiency, saving time and making it an excellent chamfering tool for both professionals and home DIY enthusiasts. With our diamond finger bit, you can easily enlarge, shape, or round existing holes to achieve perfectly smooth openings in various sizes. Our finger bit work with standard angle grinders with 5\/8 inch-11 thread; there is a 3\/8\" hex shank adapter included, so it will also work with most electric drills.\u003c\/li\u003e\n \u003cli\u003eApplication - Diamond finger milling bits are designed to enlarge, shape, and round existing holes in materials such as pebbles, marble, and porcelain tiles. They are also effective for creating round side indentations needed to accommodate pipes or electrical wire lines, allowing for precise adjustments in various applications.\u003c\/li\u003e\n \u003cli\u003eNote - This diamond countersink bit cannot be used for drilling, please pre-drill holes before using this diamond bit to enlarge or trim the holes.\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-07-30T19:07:30+10:00","created_at":"2026-07-26T20:18:20+10:00","vendor":"HARFINGTON","type":"Countersink Drill Bits","tags":["home_improvement_Aug2026"],"price":18500,"price_min":18500,"price_max":18500,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":48068159733911,"title":"2 \/ 30mm (1-3\/16\")","option1":"2","option2":"30mm (1-3\/16\")","option3":null,"sku":"B0FJQPQVS5","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"HARFINGTON 2pcs Diamond Finger Milling Bits 30mm (1-3\/16\") Dia 5\/8\"-11 Thread Diamond Milling Bit for Enlarging Shaping Existing Holes in Porcelain with 3\/8\" Hex Shank Adapter, Blue\/Black 30mm (1-3\/16\") 2 - 2 \/ 30mm (1-3\/16\")","public_title":"2 \/ 30mm (1-3\/16\")","options":["2","30mm (1-3\/16\")"],"price":18500,"weight":680,"compare_at_price":null,"inventory_management":"shopify","barcode":"hta250425hh002027","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/newnestshop.com\/cdn\/shop\/files\/B0FJQPQVS5.jpg?v=1785061102","\/\/newnestshop.com\/cdn\/shop\/files\/71dY0kNVcKL.jpg?v=1785061102","\/\/newnestshop.com\/cdn\/shop\/files\/71jULjcz7CL.jpg?v=1785061102","\/\/newnestshop.com\/cdn\/shop\/files\/81lezpr1RpL.jpg?v=1785061103","\/\/newnestshop.com\/cdn\/shop\/files\/71qZEB5f6yL.jpg?v=1785061102","\/\/newnestshop.com\/cdn\/shop\/files\/81j8u0IrGCL.jpg?v=1785061103","\/\/newnestshop.com\/cdn\/shop\/files\/71RmkxfTeOL.jpg?v=1785061102"],"featured_image":"\/\/newnestshop.com\/cdn\/shop\/files\/B0FJQPQVS5.jpg?v=1785061102","options":["Number of Items","Size"],"media":[{"alt":null,"id":42456288264343,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/B0FJQPQVS5.jpg?v=1785061102"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/B0FJQPQVS5.jpg?v=1785061102","width":1600},{"alt":null,"id":42456288297111,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71dY0kNVcKL.jpg?v=1785061102"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71dY0kNVcKL.jpg?v=1785061102","width":1600},{"alt":null,"id":42456288329879,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71jULjcz7CL.jpg?v=1785061102"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71jULjcz7CL.jpg?v=1785061102","width":1600},{"alt":null,"id":42456288362647,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/81lezpr1RpL.jpg?v=1785061103"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/81lezpr1RpL.jpg?v=1785061103","width":1600},{"alt":null,"id":42456288395415,"position":5,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71qZEB5f6yL.jpg?v=1785061102"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71qZEB5f6yL.jpg?v=1785061102","width":1600},{"alt":null,"id":42456288428183,"position":6,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/81j8u0IrGCL.jpg?v=1785061103"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/81j8u0IrGCL.jpg?v=1785061103","width":1600},{"alt":null,"id":42456288460951,"position":7,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71RmkxfTeOL.jpg?v=1785061102"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71RmkxfTeOL.jpg?v=1785061102","width":1600}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eHARFINGTON 2pcs Diamond Finger Milling Bits 30mm (1-3\/16\") Dia 5\/8\"-11 Thread Diamond Milling Bit for Enlarging Shaping Existing Holes in Porcelain with 3\/8\" Hex Shank Adapter, Blue\/Black\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eSize - Diamond finger milling bit diameter: 30mm (1-3\/16\"), Thread: 5\/8-11, Grit: #50\/60, Working Depth: 50mm \/ 1.97\", Adapter Shank Hex Width: 8.2mm \/ 3\/8\", Adapter Total Height: 60mm \/ 2.36\",\u003c\/li\u003e\n \u003cli\u003eMaterial - The grinding head is made of diamond, which features the strongest type of chemical bond, ensuring hardness and chemical resistance. The formulated mixture enhances both sharpness and durability, providing long-lasting performance. The connecting rod is made of 45 steel, which is strength and toughness.\u003c\/li\u003e\n \u003cli\u003eFeature - The high hardness diamond head significantly enhances grinding efficiency, saving time and making it an excellent chamfering tool for both professionals and home DIY enthusiasts. With our diamond finger bit, you can easily enlarge, shape, or round existing holes to achieve perfectly smooth openings in various sizes. Our finger bit work with standard angle grinders with 5\/8 inch-11 thread; there is a 3\/8\" hex shank adapter included, so it will also work with most electric drills.\u003c\/li\u003e\n \u003cli\u003eApplication - Diamond finger milling bits are designed to enlarge, shape, and round existing holes in materials such as pebbles, marble, and porcelain tiles. They are also effective for creating round side indentations needed to accommodate pipes or electrical wire lines, allowing for precise adjustments in various applications.\u003c\/li\u003e\n \u003cli\u003eNote - This diamond countersink bit cannot be used for drilling, please pre-drill holes before using this diamond bit to enlarge or trim the holes.\u003c\/li\u003e\n \u003c\/ul\u003e"}