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Achieve Precision Electronics Drilling
CoCud 0.4mm micro PCB drill bits provide exceptional precision for intricate electronic work and crafting. Featuring a 1/8" (3.175mm) shank and a sharp tungsten carbide cutting edge, these bits are engineered for smooth, accurate drilling on printed circuit boards, acrylic, plastics, aluminum, soft metals, fiberglass, and wood. They are ideal for use with PCB drilling machines, engraving machines, and CNC equipment, ensuring clean finishes without glitches.
The tungsten carbide material offers superior hardness, toughness, and wear resistance, allowing for higher operating speeds and efficient material removal. This results in low cutting force, reduced drilling heat, and enhanced tool life. The sharp cutting edge and large chip removal space contribute to precise drilling accuracy and prevent tool breakage, making them suitable for high-precision applications. The integrated positioning ring helps reduce machine set-up time.
For optimal performance and longevity, control CNC speed carefully and ensure a secure chuck clamp. These bits are designed for detailed work where precision is paramount. Imported from authorized US retailers, they offer a reliable alternative for Indian makers needing high-quality micro-drilling tools.
Engineered for Precision Micro-Drilling
CoCud micro PCB drill bits are crafted for makers and professionals demanding accuracy in electronics and fine crafting. The 0.4mm tungsten carbide edge, paired with a 1/8" shank, delivers clean, precise holes on delicate materials like PCBs, acrylic, and soft metals. Unlike generic bits, these are optimized for CNC and engraving machines, ensuring efficient material removal and preventing tool breakage. Their high hardness and wear resistance mean consistent performance for detailed work, offering a reliable solution for intricate projects where precision is paramount.
Ideal for Hobbyists & Professionals
These bits are perfect for electronics hobbyists, PCB manufacturers, and CNC operators needing fine detail work. They excel with materials like PCBs, acrylic, plastics, aluminum, soft metal, fiberglass, and wood. If your work involves intricate circuit board drilling, small-scale engraving, or precise hole-making in delicate materials, these bits will meet your needs. However, they are not designed for heavy-duty construction or large-diameter drilling in hard materials like concrete or thick steel. For such tasks, a different bit type would be more suitable.
Typical situations where CoCud 0.4mm Micro PCB Drill Bits 1/8" Shank 38mm L | Tungsten Carbide for CNC Engraving Machines helps — illustrative scenarios, not customer reviews.
A hobbyist in Bangalore needs to drill precise holes for a custom Arduino project on a PCB.
These 0.4mm CoCud tungsten carbide bits ensure clean, accurate holes without damaging the delicate PCB traces. The 1/8" shank fits standard CNC and engraving machine chucks, allowing for controlled drilling essential for small-scale electronics assembly.
A maker in Delhi is working with acrylic for a display case and needs to drill small, clean holes without cracking the material.
The sharp cutting edge and smooth chip removal of these bits provide precise drilling in acrylic, minimizing the risk of material stress or cracking. Their tungsten carbide construction ensures durability for multiple projects.
| Primary Cutting Material | Tungsten Carbide |
| Shank Material | High Speed Steel (HSS) |
| Recommended Applications | PCB, acrylic, plastics, aluminum, soft metal, fiberglass, wood |
| Compatible Machines | PCB drilling machines, engraving machines, CNC, high precision special drilling equipment |
| Usage Tips | Control CNC speed carefully; ensure secure chuck clamp. Reduce feed rate/speed if clamping length is short to minimize vibration and increase tool life. |
| Cost per use | 20 bits at ₹2,830 — ₹142 per bit |
| Shelf life after opening | 12 months (for tools, assuming proper storage) |
| Contraindications | Not for heavy-duty construction, concrete, or thick steel drilling. |
| Allergens / common irritants | N/A (Tool) |
| Feature | CoCud 0.4mm Micro | Others |
|---|---|---|
| Cutting Edge Material | Tungsten Carbide | Varies (HSS, Carbide, sometimes coated) |
| Shank Diameter | 1/8" (3.175mm) | Typically 1/8" or 3mm for micro bits |
| Cutting Edge Diameter | 0.4mm | Varies, often 0.3mm to 1.0mm |
| Precision for PCBs | High precision, smooth drilling, low heat | Variable; quality depends on brand and specific bit |
| SKU | jyd0895 |
| Brand | CoCud |
| Cutting Edge Diameter (CED) | 0.4mm (0.016") |
| Cutting Edge Length | 6.5mm (0.256") |
| Shank Diameter | 3.175mm (1/8") |
| Overall Length | 38mm (1-1/2") |
| Shank Material | High Speed Steel (HSS) |
| Cutting Edge Material | Tungsten Carbide |
| Flute Type | Spiral |
| Finish Type | Uncoated |
| Color | Purple |
| Unit Count | 20 Pieces (2 Sets) |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners |
About CoCud
CoCud specializes in precision drill bits and engraving tools, focusing on high-hardness materials like tungsten carbide for detailed applications in electronics and CNC machining.
Compliance & Legal
No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.
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This item:
CoCud 0.4mm Micro PCB Drill Bits 1/8" Shank 38mm L | Tungsten Carbide for CNC Engraving Machines
2,830
This item
CoCud 0.4mm Micro PCB Drill Bits 1/8" Shank 38mm L | Tungsten Carbide for CNC Engraving Machines
2,830
Total price:
6,180
You save 1,920 (24%) Extra3 items selected
3 items
6,180You save 1,920 (24%) Extra
| Attributes | Current |  |  |  | |||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 2,830 4,340 | 1,400 1,600 | 1,950 2,160 | 2,520 3,440 | 2,320 4,080 | 1,580 1,910 | 1,490 2,590 |
| Brand Name | CoCud | SPKLINE | Sipery | Sipery | Sipery | Sipery | SPKLINE |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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