10-Pc Tungsten Carbide Micro Drill Bits Set for PCB & Rotary Tool
10-Pc Tungsten Carbide Micro Drill Bits Set for PCB & Rotary Tool
10-Piece Tungsten Carbide Micro Drill Bits Set
Tackle precision drilling tasks with confidence using this 10-piece tungsten carbide micro drill bit set. Engineered for high accuracy, these bits are ideal for PCB circuit boards, engraving, jewelry making, amber, wax, and a wide range of CNC and rotary tool applications. Made in Mainland China.
Why Choose These Micro Drill Bits?
- Precision Machined: Manufactured using high-accuracy equipment for consistent, repeatable results across every drill bit in the set.
- Superior Milling & Cutting Performance: Delivers high-efficiency cutting to keep your projects moving forward without interruption.
- High Hardness & Wear Resistance: Tungsten carbide construction provides outstanding durability, anti-bending strength, and long service life.
- Ultra-Sharp Cutting Edge: Reduces cutting force, minimises breakage rates, and produces cleaner, smoother hole walls every time.
- Symmetrical Cutting Blade Design: Promotes balanced, offset-free drilling for precise hole placement on delicate materials.
Specifications
- Material: Tungsten Carbide
- Shank Diameter: 3.175 mm (1/8")
- Overall Length: 38 mm
- Type: Center Drill Bit
- Quantity: 10 pieces per set
Compatible Materials & Applications
These versatile micro drill bits are designed to work with a broad range of materials and tool setups, including:
- PCB boards (FR-4, CEM-3, environmental protection boards)
- SMT and CNC machining
- Molds and plastic fabrication
- Carbon fiber and composite boards
- Jewelry making (amber, wax, resin)
- Hand drills and rotary tools
Package Contents
- 10 × PCB Micro Drill Bits (Tungsten Carbide)
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Frequently Asked Questions
Q: What shank size do these PCB micro drill bits have?
A: Each drill bit features a standard 3.175 mm (1/8") shank diameter, making them compatible with most rotary tools, CNC machines, and hand drills that accept this common shank size.
Q: What materials can these tungsten carbide micro drill bits cut through?
A: These bits are well-suited for PCB boards (including FR-4 and CEM-3), carbon fiber, composite boards, plastics, molds, amber, wax, and jewelry materials. They are ideal for both electronics work and intricate craft or engraving projects.
Q: How many drill bits are included in the set?
A: The set includes 10 tungsten carbide micro drill bits, offering a versatile multi-size selection to handle a variety of drilling and engraving tasks in one convenient package.