PCB Micro Drill Bit Set – 10-Piece Tungsten Carbide CNC Drilling Bits Take 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. Made in Mainland China. Key Features Precision Machined: Manufactured using high-accuracy equipment for tight tolerances and repeatable results. High-Performance Cutting: Excellent milling and cutting performance ensures efficient, fast drilling with minimal effort. Tungsten Carbide Construction: Exceptional hardness, wear resistance, and strength — these bits resist bending and stay sharp longer. Optimized Chip Removal: Wide flute design provides large chip clearance with minimal resistance, reducing heat build-up and keeping your workpiece clean. Sharp Cutting Edge: Reduces cutting force, lowers bit breakage rates, and delivers smooth, clean hole walls. Symmetrical Blade Design: Ensures balanced, accurate drilling and helps eliminate bit drift or offset. Specifications Material Tungsten Carbide Shank Diameter 3.175mm (1/8") Overall Length 38mm Quantity 10 Pieces Type Center Drill Bit / Micro CNC Bit Compatible Materials These drill bits are suitable for a wide range of materials and applications, including: PCB (Printed Circuit Boards) Standard FR-4 and CEM-3 Boards SMT (Surface Mount Technology) Boards Environmental Protection Boards Carbon Fiber & Composite Boards Plastics & Molds CNC Machining Applications What's in the Box 10 × PCB Micro Drill Bits (3.175mm Shank, 38mm OAL, Tungsten Carbide) Related Products You May Like 1/4" Hex Wire Twister Drill Attachment – Rebar Tie Wire Tool 1-Channel SCR Solid State Relay Module DC3-24V 40A Optocoupler For guidance on safe tool use and electrical safety standards, visit the OSHA Electrical Safety Resource. Frequently Asked Questions Q: What shank size do these PCB drill bits have? A: 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. Q: What materials can I drill with these tungsten carbide PCB bits? A: 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. Q: How many bits come in the set? A: 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. Q: Are these bits suitable for CNC machines? A: 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. {"@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. They are not recommended for drilling metal."}}, {"@type": "Question", "name": "How many bits come in the set?", "acceptedAnswer": {"@type": "Answer", "text": "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."}}, {"@type": "Question", "name": "Are these bits suitable for CNC machines?", "acceptedAnswer": {"@type": "Answer", "text": "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."}}]} {"@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 & 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"}]}
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