{"product_id":"pcb-micro-drill-bit-set-10pc-tungsten-carbide-cnc-bits","title":"PCB Micro Drill Bit Set – 10pc Tungsten Carbide CNC Bits","description":"\n\u003ch2\u003ePCB Micro Drill Bit Set – 10-Piece Tungsten Carbide CNC Drilling Bits\u003c\/h2\u003e\n\u003cp\u003eTake your electronics and circuit board projects to the next level with this precision-engineered set of 10 PCB micro drill bits. Crafted from premium tungsten carbide with a 3.175mm (1\/8\") shank, these mini CNC drilling bits are designed for clean, accurate holes in PCB boards, FR-4, CEM-3, carbon fiber, composite boards, and more. Whether you're a hobbyist or a professional maker, these bits deliver consistent performance and long-lasting durability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Machined:\u003c\/strong\u003e Manufactured using high-accuracy equipment for tight tolerances and repeatable results.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Performance Cutting:\u003c\/strong\u003e Excellent milling and cutting performance ensures efficient, fast drilling with minimal effort.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTungsten Carbide Construction:\u003c\/strong\u003e Exceptional hardness, wear resistance, and strength — these bits resist bending and stay sharp longer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized Chip Removal:\u003c\/strong\u003e Wide flute design provides large chip clearance with minimal resistance, reducing heat build-up and keeping your workpiece clean.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSharp Cutting Edge:\u003c\/strong\u003e Reduces cutting force, lowers bit breakage rates, and delivers smooth, clean hole walls.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSymmetrical Blade Design:\u003c\/strong\u003e Ensures balanced, accurate drilling and helps eliminate bit drift or offset.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTungsten Carbide\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShank Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.175mm (1\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e38mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 Pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCenter Drill Bit \/ Micro CNC Bit\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatible Materials\u003c\/h3\u003e\n\u003cp\u003eThese drill bits are suitable for a wide range of materials and applications, including:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePCB (Printed Circuit Boards)\u003c\/li\u003e\n  \u003cli\u003eStandard FR-4 and CEM-3 Boards\u003c\/li\u003e\n  \u003cli\u003eSMT (Surface Mount Technology) Boards\u003c\/li\u003e\n  \u003cli\u003eEnvironmental Protection Boards\u003c\/li\u003e\n  \u003cli\u003eCarbon Fiber \u0026amp; Composite Boards\u003c\/li\u003e\n  \u003cli\u003ePlastics \u0026amp; Molds\u003c\/li\u003e\n  \u003cli\u003eCNC Machining Applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e10 × PCB Micro Drill Bits (3.175mm Shank, 38mm OAL, Tungsten Carbide)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/hex-shank-wire-twister-drill-attachment-rebar-tie-wire-tool\"\u003e1\/4\" Hex Wire Twister Drill Attachment – Rebar Tie Wire Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-scr-solid-state-relay-switch-module-dc3-24v-40a-optocoupler\"\u003e1-Channel SCR Solid State Relay Module DC3-24V 40A Optocoupler\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on safe tool use and electrical safety standards, visit the \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Electrical Safety Resource\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What shank size do these PCB drill bits have?\u003c\/h4\u003e\n\u003cp\u003eA: Each drill bit features a 3.175mm (1\/8\") shank diameter, which is compatible with most standard CNC routers, rotary tools, and micro-drilling machines used for PCB work.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What materials can I drill with these tungsten carbide PCB bits?\u003c\/h4\u003e\n\u003cp\u003eA: These bits are ideal for drilling PCB boards, FR-4, CEM-3, environmental protection boards, carbon fiber, composite boards, plastics, and molds. They are not recommended for drilling metal.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many bits come in the set?\u003c\/h4\u003e\n\u003cp\u003eA: The set includes 10 individual PCB micro drill bits, all with the same 3.175mm shank and 38mm overall length. Multiple size options may be available — check the listing variants for available diameters.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these bits suitable for CNC machines?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! These bits are specifically designed for use with CNC drilling machines, rotary tools, and mini drills, making them a great choice for both hobbyist and professional PCB fabrication setups.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What shank size do these PCB drill bits have?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each drill bit features a 3.175mm (1\/8\\\") shank diameter, which is compatible with most standard CNC routers, rotary tools, and micro-drilling machines used for PCB work.\"}}, {\"@type\": \"Question\", \"name\": \"What materials can I drill with these tungsten carbide PCB bits?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These bits are ideal for drilling PCB boards, FR-4, CEM-3, environmental protection boards, carbon fiber, composite boards, plastics, and molds. 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These bits are specifically designed for use with CNC drilling machines, rotary tools, and mini drills, making them a great choice for both hobbyist and professional PCB fabrication setups.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Crafts, DIY \u0026 Stationery\", \"item\": \"https:\/\/oasis-select.com\/collections\/crafts-diy-stationery\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"PCB Micro Drill Bit Set – 10pc Tungsten Carbide CNC Bits\", \"item\": \"https:\/\/oasis-select.com\/products\/pcb-micro-drill-bit-set-10pc-tungsten-carbide-cnc-bits\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"A3","offer_id":47727665709161,"sku":"14:350852#A3","price":10.03,"currency_code":"USD","in_stock":true},{"title":"A4","offer_id":47727665741929,"sku":"14:350853#A4","price":10.03,"currency_code":"USD","in_stock":true},{"title":"A1","offer_id":47727665774697,"sku":"14:350686#A1","price":10.03,"currency_code":"USD","in_stock":true},{"title":"A2","offer_id":47727665807465,"sku":"14:350850#A2","price":10.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S17c02a31139e44ec8d1c2e0e4f17a9be2.webp?v=1782670507","url":"https:\/\/oasis-select.com\/products\/pcb-micro-drill-bit-set-10pc-tungsten-carbide-cnc-bits","provider":"Oasis Select","version":"1.0","type":"link"}