{"product_id":"6-12mm-4-flute-serrated-drill-bit-set-glass-tile-concrete-metal","title":"6–12mm 4-Flute Serrated Drill Bit Set | Tile, Glass \u0026 Metal","description":"\n\u003ch2\u003e6–12mm Four-Edge Serrated Drill Bit Set — Multi-Material Drilling Made Easy\u003c\/h2\u003e\n\u003cp\u003eTackle any drilling project with confidence using this professional-grade \u003cstrong\u003e4-flute serrated drill bit set\u003c\/strong\u003e. Available in 2-piece or 4-piece configurations spanning 6–12mm, these hex-shank bits are engineered for fast, clean, accurate holes across a wide range of materials. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love This Drill Bit Set\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision 4-Flute Geometry:\u003c\/strong\u003e The unique four-edge eccentric design delivers up to 30% faster chip removal compared to standard bits, reducing heat buildup and extending tool life significantly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrue Multi-Material Versatility:\u003c\/strong\u003e Optimised for glass, ceramic tile, concrete, wood (oak, MDF), plastic (ABS, PVC), and non-ferrous metals (aluminium, brass). Ideal for both professional and DIY applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Strength Alloy Construction:\u003c\/strong\u003e Each bit is manufactured from premium alloy steel with a hardened serrated edge for long-lasting durability and consistent drilling accuracy across projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal 1\/4\" Hex Shank:\u003c\/strong\u003e Fits virtually all standard drills, impact drivers, and CNC rotary tools. The secure hex grip prevents slipping and is compatible with magnetic chuck adapters for wobble-free performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReduced Wear, Maintained Accuracy:\u003c\/strong\u003e The eccentric structure minimises friction and lateral movement, keeping holes clean and on-target whether you're drilling into hardwood or aluminium alloy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This Set For?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMetalworkers:\u003c\/strong\u003e Drill clean holes through aluminium and brass plates with ease.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarpenters \u0026amp; Woodworkers:\u003c\/strong\u003e Create precise holes in wood flooring, cabinetry, and furniture.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY Enthusiasts:\u003c\/strong\u003e Install shelves, racks, and fixtures through mixed materials without switching tools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomotive \u0026amp; Home Renovators:\u003c\/strong\u003e Modify panels, tiles, and substrates with professional results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2-piece or 4-piece four-edge serrated drill bit set (6–12mm)\u003c\/li\u003e\n  \u003cli\u003e1\/4-inch hex shank on each bit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Materials\u003c\/h3\u003e\n\u003cp\u003eGlass · Ceramic Tile · Concrete · Hardwood \u0026amp; MDF · ABS \u0026amp; PVC Plastic · Aluminium · Brass\u003cbr\u003e\u003cem\u003eNot recommended for stainless steel or cast iron.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/25-in-1-precision-magnetic-screwdriver-set-pro-repair-tool-kit\"\u003e25-in-1 Precision Magnetic Screwdriver Set | Pro Repair Kit\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/34-compartment-double-sided-hardware-storage-box-removable-dividers\"\u003e34-Compartment Double-Sided Hardware Storage Box \u0026amp; Dividers\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/5-in-1-diamond-ceramic-knife-sharpener-kitchen-scissors\"\u003e5-in-1 Diamond Knife Sharpener | Kitchen \u0026amp; Scissor Sharpener\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What materials can this 4-flute serrated drill bit set be used on?\u003c\/h4\u003e\n\u003cp\u003eA: This drill bit set is designed for use on glass, ceramic tile, concrete, hardwood, MDF, ABS and PVC plastics, aluminium, and brass. It is not recommended for stainless steel or cast iron, as those materials require specialised carbide-tipped bits.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Will the 1\/4\" hex shank fit my existing drill or impact driver?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — the standard 1\/4-inch hex shank is universally compatible with most cordless and corded drills, impact drivers, and CNC rotary tools. It also fits magnetic chuck adapters for wobble-free drilling.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many drill bits are included in the set?\u003c\/h4\u003e\n\u003cp\u003eA: The set is available in either a 2-piece or 4-piece configuration, covering sizes from 6mm to 12mm. Choose the option that best suits your project needs at checkout.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the four-edge design really improve drilling speed?\u003c\/h4\u003e\n\u003cp\u003eA: The 4-flute eccentric geometry is engineered to remove chips up to 30% faster than standard 2-flute bits, which keeps the cutting zone cooler, reduces wear on the bit, and produces cleaner holes — especially in harder materials like tile and concrete.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What materials can this 4-flute serrated drill bit set be used on?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This drill bit set is designed for use on glass, ceramic tile, concrete, hardwood, MDF, ABS and PVC plastics, aluminium, and brass. 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